NKT SuperK EXTREME User manual

SuperK EXTREME

Instruction Manual

High Power Supercontinuum Laser Series

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FDA (Food & Drug Administration):

FDA accession number #9912672

Issue: 4.0

Published: November 2011

Author: MDE

any part of this work is prohibited.

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Table of Contents

1General......................................................................................................................................................................3

2Laser Safety ..............................................................................................................................................................4

2.1 General Safety Aspects.....................................................................................................................................4

2.1.1 Basic Operation and Designated Use.......................................................................................................4

2.1.2 Organizational Measures..........................................................................................................................4

2.1.3 Selection and Qualification of Personnel –Basic Responsibilities............................................................5

2.1.4 Safety Instructions Governing Specific Operational Phases.....................................................................5

2.2 Specific Safety Aspects .....................................................................................................................................6

2.2.1 Physical Hazards ......................................................................................................................................6

2.2.2 Personnel Safety.......................................................................................................................................7

2.2.3 Constructive Safety Features....................................................................................................................9

2.2.4 General Safety Features...........................................................................................................................9

2.3 Safety Compliance List......................................................................................................................................9

2.4 Labeling...........................................................................................................................................................10

2.4.1 Labels used on SuperK EXTREME ........................................................................................................10

2.4.2 Label Positions........................................................................................................................................12

2.5 Laser protective goggles..................................................................................................................................13

3Requirements ..........................................................................................................................................................14

3.1 Installation Requirements ................................................................................................................................14

3.2 Operating Conditions.......................................................................................................................................15

4Installation ...............................................................................................................................................................16

5Interface...................................................................................................................................................................20

5.1 Front Panel......................................................................................................................................................20

5.2 Back Panel.......................................................................................................................................................21

5.2.1 Power Inlet and Main Power Switch........................................................................................................21

5.2.2 External Bus............................................................................................................................................22

5.2.3 Output Control.........................................................................................................................................23

5.2.4 Interlock ..................................................................................................................................................24

5.2.5 LEDs.......................................................................................................................................................26

5.2.6 USB.........................................................................................................................................................26

5.2.7 Seed Pulse..............................................................................................................................................26

5.2.8 Gate Out .................................................................................................................................................26

5.2.9 Pulse Monitor..........................................................................................................................................27

5.2.10 NIM Pulse ...............................................................................................................................................27

5.2.11 Modulation Input (Option)........................................................................................................................27

5.2.12 External Feedback (Option)....................................................................................................................28

5.2.13 Optical Output.........................................................................................................................................29

5.2.14 RF-Driver Interface (Option)....................................................................................................................30

5.2.15 Air Outlet.................................................................................................................................................31

6Operation.................................................................................................................................................................32

6.1 Precautions......................................................................................................................................................32

6.2 Turning ON the SuperK EXTREME for the first time .......................................................................................32

6.3 Everyday Operation via the Front Panel..........................................................................................................33

7System Menu...........................................................................................................................................................34

7.1 Operating Mode...............................................................................................................................................35

7.2 Pulse-Picker Ratio...........................................................................................................................................36

7.3 Input Readouts ................................................................................................................................................37

7.4 Status Display..................................................................................................................................................37

7.5 Date and Time.................................................................................................................................................38

7.6 Display Contrast ..............................................................................................................................................38

7.7 Display Backlight .............................................................................................................................................39

7.8 Serial Numbers................................................................................................................................................39

7.9 Firmware Versions...........................................................................................................................................40

8Computer Controlled Operation...............................................................................................................................41

9Supercontinuum Generation....................................................................................................................................42

9.1 Spectrum vs. Output Power.............................................................................................................................42

9.2 Polarization of Output ......................................................................................................................................42

9.3 Pulse-Picker.....................................................................................................................................................43

9.4 Reflection monitor............................................................................................................................................43

9.5 Constant Power and Constant Current mode..................................................................................................44

10 Service & Support....................................................................................................................................................45

10.1 Support............................................................................................................................................................45

11 Literature .................................................................................................................................................................46

12 Electrical and Mechanical Specifications.................................................................................................................47

12.1 System Dimensions.........................................................................................................................................47

12.1 Collimator Dimensions.....................................................................................................................................48

13 Accessories for the SuperK Extreme.......................................................................................................................49

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1 General

Introduction

Please take the necessary time to read this manual. It contains important

information on safety issues concerning the usage of the SuperK EXTREME laser.

Warning: safety might be seriously impaired if the instructions are not

followed carefully.

This manual covers the SuperK EXTREME laser series, with the product numbers

beginning with S4x2, where x indicates what type of spectrum the system provides.

The SuperK EXTREME comprises a Class 4 laser and only persons who are familiar

with laser safety regulations are allowed to operate any of these systems.

This product is not UL-approved but all safety components are UL-approved.

If you have any questions concerning this product, please do not hesitate to contact

us at [email protected]. Please refer to section 10 for further information

regarding support for the SuperK Extreme.

Description

SuperK Extreme is a range of ultra broadband supercontinuum lasers with the

spectral brightness of a laser and the bandwidth of a lamp –all delivered in a single

mode fiber.

The SuperK supercontinuum laser system and accessories features unrivaled

reliability in an industrial turn-key format with market leading performance. These

high-brightness low-noise supercontinuum sources can be operated with a touch of

a button and requires no warm-up time.

The SuperK EXTREME is a quasi CW single-mode supercontinuum white light laser

with excellent power density. The system is a complete stand-alone unit with

everything required integrated.

The SuperK Accessories product range completes the SuperK system with plug-

and-play filters and fiber delivery systems providing robust filtering and routing

options in an easy-to-use format. All accessories are source-independent, and can

be used with any of the SuperK EXTREME models.

The graphical user interface SuperKontrol 2.0 software makes it very easy to control

the SuperK EXTREME. See the SuperKontrol 2.0 Software Manual for more

information about how to use the graphical user interface.

It is recommended to keep this manual in the area close to the SuperK EXTREME

system, so operators if required can use it as reference book.

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2 Laser Safety

Never switch on or attempt to operate the SuperK EXTREME before reading,

understanding and fully familiarizing yourself with the contents of this

chapter.

Introduction

This chapter is divided into four sections:

General Safety Aspects

Explains aspects relating to the safe operation of the laser device. See

section General Safety Aspects.

Special Safety Aspects

Outlines the risks specific to working procedures with and on this laser

device. See section Specific Safety Aspects.

Safety compliance list

See section Safety Compliance List.

Overview of safety-relevant labels

Shows the design and describes the safety labels. See section Labels.

Laser goggles.

See section Laser protective goggles.

2.1 General Safety Aspects

2.1.1 Basic Operation and Designated Use

Basic Safety

The SuperK EXTREME has been designed in accordance with state-of-the-art

standards and the recognized safety rules. Nevertheless, its use can constitute a

risk to the user or third parties or cause damage to other material property.

The SuperK EXTREME system and Accessories are not approved nor tested

for use in treatment or diagnostics of human and animals and does not

comply with European, US or Rest of World requirements for medical device

lasers.

Warning: Potential eye and skin burns! Only use the laser in accordance with

its designated use.

The SuperK EXTREME must only be used in technically perfect conditions and in

accordance with its designated use.

Follow the instructions in this manual, and let only safety conscious persons, who

are fully aware of the risks involved, operate the SuperK EXTREME.

Any functional disorders, especially those affecting the safety of the SuperK

EXTREME, must be rectified immediately.

2.1.2 Organizational Measures

Laser Safety Officer

In accordance with the valid national regulations for prevention of accidents, appoint

a responsible person as the Laser Safety Officer (LSO).

His responsibility is to effect the knowledgeable evaluation of laser hazards and to

monitor and enforce their control.

The instruction manual must always be at hand where the SuperK EXTREME is

used. In addition to the operating instructions, observe and instruct the user in all

other generally applicable legal and other mandatory regulations relevant to accident

prevention.

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Protective

Equipment

These compulsory regulations also deal with the issuing and/or wearing of personal

protective equipment. The necessity of reading the instruction manual applies

especially to persons working only occasionally on the SuperK EXTREME.

Use protective equipment, wherever required by the circumstances or by law.

Warning: Risk of serious injury through incorrect operation! Personnel

entrusted to operate the SuperK EXTREME must have read the instruction

manual and in particular the safety instructions.

Safety Labels

Ensure that all safety-relevant labels are attached to the laser device in accordance

with the label location diagrams in Section Labels and local regulations. Make sure

that these labels are always complete and perfectly legible.

If any labels are missing, immediately inform NKT Photonics A/S. In the event of

safety relevant modifications or changes in the behavior of the SuperK EXTREME

during operation, stop the laser device immediately and report the malfunction to

NKT Photonics A/S.

Never make any modifications, additions or conversions which might affect safety.

This also applies to the installation and adjustment of safety devices.

2.1.3 Selection and Qualification of Personnel –Basic Responsibilities

Qualified Personnel

Make sure that only authorized personnel work on or with the SuperK EXTREME.

Statutory minimum age limits must be observed. Employ only trained or instructed

staff and set out clearly the individual responsibilities of the personnel for operation

and set up.

2.1.4 Safety Instructions Governing Specific Operational Phases

Precautions

Take the necessary precautions to ensure that the SuperK EXTREME is used only

when in a safe and reliable state.

In the event of malfunctions, stop the laser device immediately and lock it. Have any

defects rectified immediately.

Before starting the SuperK EXTREME ensures that nobody is at risk. Brief operating

personnel before beginning special operations, and appoint a person to supervise

the activities. Ensure that the operations area is adequately secured.

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2.2 Specific Safety Aspects

Specific safety aspects are:

Physical hazards related to the system. See Section Physical Hazards.

Protection of the users of the system against these hazards. See Section

Personnel Safety.

Constructive protective measures against these hazards. See Section

Constructive Safety Features.

Within this classification, the SuperK EXTREME is Class 4 (high power) laser, and

must therefore be regarded as a potential hazard to the human operator. The laser

beam must also be regarded as a potential fire hazard. Class 4 is the most powerful

(and potentially hazardous) category of lasers. Direct and scattered radiation from

Class 4 products is considered an acute hazard to the eyes and skin. Precautions

include eye and skin protection, remote interlocks and warning labels.

2.2.1 Physical Hazards

Warning

The laser beam is very dangerous to the eyes and skin!

The following are hazardous,

Direct radiation-light as it leaves the laser.

Reflected radiation-light which has hit a surface and bounced off.

Diffuse radiation-light, which has hit a surface, bounced off, and scattered.

Light

In case of malfunction the SuperK EXTREME may provide laser radiation with

power levels up to 20 Watt and operating wavelength of from 300 nm up to 3000 nm

is emitted from the output aperture of the SuperK EXTREME. The output is a

collimated exit beam from a fiber delivery cable. The beam diameter of the output is

less than 3 mm. Despite the non-ionizing nature of the operating wavelengths,

damage can still occur to living tissue as a result of heat produced during radiation

absorption. Part of the radiation of the SuperK EXTREME lies outside the visible

range. Suitable beam dumps must be used at all times when the laser product is

operating.

In general, the maximum permissible radiation exposure for the skin is several times

greater than for the eye. Safety measures with regard to the radiation hazard are

therefore mainly based on dangers for the eye. Not only are the direct laser beam

hazardous, but unchecked reflections of laser light also constitute a potential hazard.

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2.2.2 Personnel Safety

Personnel Protection

The SuperK EXTREME is a class 4 laser.

Warning:

Risk of serious injury! Always wear protective eyewear when there is a chance of

exposure to radiation from the laser. Before putting on the protective eyewear, check

them for any obvious defects. As the filter in the protective eyewear provides

protection for only a narrow band of wavelengths, make sure you are wearing the

appropriate protective eyewear for the laser device in question. Check with your

Laser Safety Officer or other safety personnel for guidance in selecting the

appropriate eyewear.

Radiation Safety

The SuperK EXTREME emits high power visible and near-infrared radiation, which

constitutes a hazard to personnel during periods of operation.

Protective Eyewear

The ANSI (American National Standards Institute) standard for safe use of lasers

requires that a set of protective goggles blocking the appropriate laser wavelength

should be worn while operating or servicing class 4 lasers. However, since the

SuperK EXTREME covers the full visible spectrum with a very high spectral power

density, it is not possible to achieve full protection without totally limiting the visual

brightness through the laser goggles.

NKT Photonics recommends using a combination of several different filter-

technologies (absorption and interference). The IR5D filter from NoIR Laser

Company, LLC is currently the most suitable product available. Full protection is not

achieved, but the alternatives are significantly worse; see section Laser protective

goggles for details.

Clearly label the goggles with an optical density and the specified wavelength. To

avoid confusion, keep these goggles separate from other safety glasses and

personal protective equipment.

Using the wrong type of goggles is dangerous. It can be worse to have improper

eyewear and a false sense of security than to have no eyewear and take

precautions based on the absence of protection. Even if you are wearing protective

goggles, never look directly into the beam; intense laser radiation is capable of

destroying the protective filter.

Warning:

Protective eyewear can only provide partial protection from the hazardous radiation

of a supercontinuum laser source.

Eye Protection

Warning:

Potential eye burns! Only use the laser in accordance with its designated use.

Safety interlocks are only to be overruled by authorized personnel.

The following guidelines describe some of the actions necessary to avoid injury

caused by the laser beam. Always follow these guidelines and take additional

precautions if necessary.

When eyewear is necessary, make sure it has the proper optical density for

the laser wavelength.

All other personnel in the vicinity of the laser to wear protective eyewear.

Permit only qualified personnel to operate the laser.

Never intentionally look directly into any laser beam.

Avoid indirect viewing of direct or reflected laser radiation. Specular

reflections (from reflective surfaces) can be as dangerous as the direct

laser beam. Do not view the beam through optical instruments unless the

optics is designed to filter the laser wavelength.

Take precautions to ensure that there are no reflecting objects in the path

of the laser beam.

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Do not deviate from standard operating procedures when working with

class 3B and class 4 laser equipment.

Use lasers only in approved applications and locations. Take adequate

precautions to prevent unauthorized personnel from entering the area

where a class 4 laser is operating. Do not use lasers around untrained

personnel. Ensure that all personnel in the area observe proper safety

precautions.

Report all incidents of exposure to your supervisor.

Clearly display warning signs indicating the laser enclosed area with an

additional warning light outside the door.

Adhere to local and national regulations governing the safe use of lasers.

Skin Protection

Warning:

Potential skin burns! Direct and reflected laser radiation can burn exposed skin. Only

use the laser in accordance with its designated use. Safety interlocks are only to be

overruled by authorized personnel.

Although the skin can withstand considerably higher radiation intensity than

the eyes, tissue may be burned to a greater or lesser degree, depending on

the radiation time and the irradiation intensity.

Avoid contact between the skin and the beam, or specular reflections of the

beam. Reflections of the beam may be as dangerous as the beam itself.

Wear appropriate protective clothing to protect the skin whenever

necessary.

Fire Protection

Warning:

Fire hazards! Class 4 lasers are, by definition, fire hazards. The laser beam can

cause flammable materials to ignite or explode. Always keep a fire extinguisher in

the laser area in case a fire occurs.

Because of the high output power from the class 4 laser, a wide range of materials

can be set on fire. Therefore, take appropriate fire prevention measures when the

beam path is open:

Combustible materials may be ignited by the laser beam or by electrical

components inside the laser system. Flammable items must be isolated

from the laser beam and from the laser system.

Paper (circuit diagrams, leaflets, or even posters on the wall), curtains that

are not coated with fire retardant, wooden panels or similar materials can

be easily set on fire by direct or reflected laser radiation.

Use only beam stops made of non flammable materials (not asbestos!).

Many fluids and solvents (e.g. cleaning agents used for maintenance) are

combustible. The intense beam of the laser can ignite vapors from these

materials. Prevent the laser beam from contacting flammable materials

used in the laser area.

Move containers of flammable materials as far from the laser system as

possible and shield them from the beam with opaque materials. Place

these solutions and vapors under no circumstances in the beam path or

near the system.

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2.2.3 Constructive Safety Features

Safety Features

The laser device is equipped with the following constructional safety features:

Appropriate Class 4 label affixed to laser device enclosure (see section

Labeling).

All parts of the laser where laser radiation may possibly escape are marked

with the appropriate adhesive danger signs (according to IEC 60825).

The SuperK EXTREME is provided with a connector (”Interlock”) on the

rear panel of the laser housing, where an external interlock switch can be

installed. The interlock switch shuts down the laser remotely, for instance, if

a door connected with the switch is opened.

2.2.4 General Safety Features

General Safety

The SuperK EXTREME has key switch controlled laser operation. The laser device

can only be switched on with the key-switch. This prevents inadvertent or

unauthorized starting of the laser. It cannot be operated with the key in the OFF

position and the key cannot be removed in the ON position.

2.3 Safety Compliance List

CE Approval

The SuperK EXTREME is CE-marked and has been tested for FCC and VCCI

compliance as well.

FDA Approval

The SuperK EXTREME complies with FDA part 1040 except for deviations provided

in laser notice 50.

UL and CSA

Approval

The equipment is not UL- or CSA-approved. However, the power supply itself is UL-

and CSA-approved, and all mains wiring (including the power inlet) is enclosed in

the power supply. No voltages outside the power supply are higher than 24 VDC

(nominal). Datasheet and conformity documents for the power supply can be

delivered on request.

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