THORLABS HNL020L User Manual Download Page 1 | Manualshive

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HNL020R, HNL020L, HNL050R,

HNL050L

Red HeNe Laser System

User Guide

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Summary of Contents for HNL020L

Page 1: ...HNL020R HNL020L HNL050R HNL050L Red HeNe Laser System User Guide ...

Page 2: ...p 11 3 1 Unpacking 11 3 1 1 Shipping Inventory 11 3 2 Mounting the Laser Head 12 3 3 Assembly 12 Chapter 4 Operation 13 4 1 HeNe Power Supply 13 4 1 1 Introduction 13 4 1 2 Remote Interlock Operation 13 4 1 3 Maintenance and Service 14 Chapter 5 Troubleshooting 15 5 1 Technical Failures 15 5 2 Application Trouble Shooting 15 5 2 1 Noise Oscillations and Fluctuation Sources 16 Chapter 6 Specificati...

Page 3: ...obtained from A N S I Washington DC Headquarters 1819 L Street NW between 18th and 19th Streets 6th floor Washington DC 20036 Tel 202 293 8020 Fax 202 298 9287 www ansi org Laser Institute of America 13501 Ingenuity Drive Suite 128 Orlando FL 32826 Toll Free 800 345 2737 Telephone 407 380 1553 Fax 407 380 5588 www laserinstitute org 1 1 2 Safety Information Classification These laser heads do not ...

Page 4: ...ecified by the Center for Devices and Radiological Health CDRH a division of the Food and Drug Administration FDA Item HNL020R L HNL050R L Wavelength 633 nm 633 nm Laser Classification Class IIIa CDRH 3R IEC Class IIIb CDRH 3B IEC Min Output Power 2 0 mW 5 0 mW Beam Diameter TEM00 1 e2 points 3 Ø0 63 mm Ø0 81 mm DANGER LASER RADIATION AVOID EXPOSURE TO BEAM CLASS IIIa LASER PRODUCT CDRH CLASS 3R L...

Page 5: ...ecaution or warning contained in the user s manual is in direct violation of the standards of design manufacture and intended use of the unit Thorlabs assumes no liability for the customer s failure to comply with any of these safety requirements Before Initializing and Operating the Unit Inspect the unit for any signs of damage and read the user s guide thoroughly Install the unit as specified in...

Page 6: ...e hazardous Install the laser so that the laser beam is not at eye level Terminate the laser beam path with a suitable power meter or non reflecting beam stop Enclose beam stops where possible Consult a power meter or the beam stop manufacturers operating manual for proper usage Suitable eye protection must be worn at all times when laser output is possible Connect the power cord only to a power o...

Page 7: ...o comes with a 6 ft long high voltage cable for connecting to the power supply This particular laser head is designed to operate at an optimum performance level when used with the required Thorlabs power supply Figure 1 Laser Head 2 1 2 Laser Power Supply The laser includes a power supply that is specially designed to be used with the HeNe laser and is CE certified The power supply is enclosed in ...

Page 8: ...ut powers ranging from 1 mW to 100 mW Thorlabs offers output powers up to 22 5 mW 2 1 4 HeNe Linewidth A red HeNe laser wavelength is 632 816 nm in air though it is often reported as either 632 nm or 633 nm The wavelength gain curve is actually made of several longitudinal modes that fluctuate within the range due to thermal expansion of the cavity and other external factors The linewidth of a HeN...

Page 9: ...chieved Spontaneous and stimulated emission between the states results in emission of 632 82 nm light along with other emission wavelengths From these states the electrons quickly decay to the ground state The HeNe laser s power output is limited because the neon upper level saturates with higher current while the lower level varies linearly with current Neon Gain Curve FWHM 1 5 GHz Frequency Gain...

Page 10: ...er gain compared to other wavelengths such as the 1 15 μm and 3 39 μm lines Figure 4 HeNe Visible Laser Lines 2 1 5 HeNe Polarization Unpolarized Randomly Polarized Beam The output of an unpolarized HeNe laser consists of a rapidly fluctuating linearly polarized beam whose polarization orientation changes on a nanosecond time scale Unpolarized lasers are ideal for applications where there are no p...

Page 11: ...There should not be anything rattling around inside the laser head Rarely during shipping the glass tube may break Figure 3 Laser System 3 1 1 Shipping Inventory The equipment included in this shipment should match the packing slip attached to the box Verify that the correct product was shipped to you by identifying the item number on the box If the shipment is incomplete or if an incorrect item w...

Page 12: ...em This laser system includes a fixed voltage power supply that is factor set for either 120 no dash 230 EC or 100 VAC JP operation The laser must be purchased correctly configured for the appropriate regional current The proper mains voltage cord must also be used WARNING Never remove the Alden plug from the power supply while the power supply is plugged into the mains Doing so may result in arci...

Page 13: ...ith your HeNe laser is specifically designed to be used with that model of HeNe lasers and is not compatible with other HeNe laser models This unit is RoHS compliant 4 1 2 Remote Interlock Operation To use the remote interlock connector the metal pin needs to be removed the top of plug taken out and the shorting conductor from the connector removed The connector may then be wired into the user s i...

Page 14: ... the Power Supply Module 4 1 3 Maintenance and Service The power supply power supply contains no user serviceable parts Return the power supply to Thorlabs for service 2 Position Key Switch Laser On LED LED only indicates the power supply is on and that the laser MAY be emitting light High Voltage Alden Connector Remote Interlock Connector Power Cord ...

Page 15: ...ion One common mis application comes from a HeNe laser especially a low power laser 0 5 mW being used in a metrology application Environment is an important consideration as well Dirty environments can cause the optics to become contaminated and the power output to drop below expected levels Unstable output beams can be caused by noisy environments with large sources of vibrations Proper mounting ...

Page 16: ...to and out of the gain curve The frequency of these fluctuations vary from less than a Hz to as high as several kHz depending on the stability of the environment Other more constant sources of fluctuations are from the following with corresponding frequencies Line Noise from AC High Voltage Power Supplies 50 60 Hz 100 120 Hz etc Switching Noise from DC High Voltage Power Supplies 40 kHz Plasma Osc...

Page 17: ...0 10 mrad After 15 min Warm up 0 02 mrad Operating Voltage 100 V 1800 VDC Operating Current 0 1 mA 6 5 mA Max Starting Voltage 10 kVDC Physical Mechanical Characteristics HNL020R L Max Warm up Time 95 power 10 min Expected Operating Lifetime 30 000 hr Storage Lifetime Indefinite Hard Sealed Static Alignment Center to Outer Cylinder within 0 01 Parallel to outer Cylinder within 1 mR Laser Head Weig...

Page 18: ...ter 15 min Warm up 0 02 mrad Operating Voltage 100 V 2300 VDC Operating Current 0 1 mA 6 0 mA Max Starting Voltage 10 kVDC Physical Mechanical Characteristics HNL050R L Max Warm up Time 95 power 10 min Expected Operating Lifetime 40 000 hr Storage Lifetime Indefinite Hard Sealed Static Alignment Center to Outer Cylinder within 0 01 Parallel to outer Cylinder within 1 mR Laser Head Weight 1 3 lbs 0...

Page 19: ...Rev B February 27 2012 Page 19 Chapter 7 Mechanical Drawing Figure 7 HNL020 Dimensional Drawing Ø0 25 6 4 mm Ø1 74 44 20 mm Ø1 375 34 9 mm 45 4X M3 X 0 5 8 56 217 4 mm 1 20 30 5 mm 9 35 237 5 mm 3 10 78 7 mm 0 97 24 7 mm Cable Length 72 Typical 10 70 271 78 mm 2 79 70 9 mm ...

Page 20: ...nical Drawing Rev B February 27 2012 Page 20 Figure 8 HNL050 Dimensional Drawing Ø0 25 6 4 mm Ø1 74 44 20 mm Ø1 375 34 9 mm 45 4X M3 X 0 5 8 56 217 4 mm 1 20 30 5 mm 9 35 237 5 mm 3 10 78 7 mm 0 97 24 7 mm Cable Length 72 Typical 15 77 400 56 mm 2 79 70 9 mm ...

Page 21: ...o other Thorlabs products such as Pure OEM products that means assemblies to be built into a unit by the user e g OEM laser driver cards Components Mechanics and optics Left over parts of units disassembled by the user PCB s housings etc If you wish to return a Thorlabs unit for waste recovery please contact Thorlabs or your nearest dealer for further information 8 1 Waste Treatment is Your Own Re...

Page 22: ... Acceptability When installed in the end product consideration shall be given to the following A suitable fire enclosure shall be provided in the end product Safety interlock switch key switch laser housing and laser beam attenuator in accordance with laser safety standards shall be provided in the end product A visual or audio indicator in accordance with laser safety standards shall be provided ...

Page 23: ...t information USA Canada and South America Thorlabs Inc sales thorlabs com techsupport thorlabs com Europe Thorlabs GmbH europe thorlabs com France Thorlabs SAS sales fr thorlabs com Japan Thorlabs Japan Inc sales thorlabs jp UK and Ireland Thorlabs Ltd sales uk thorlabs com techsupport uk thorlabs com Scandinavia Thorlabs Sweden AB scandinavia thorlabs com Brazil Thorlabs Vendas de Fotônicos Ltda...

Page 24: ...www thorlabs com ...

Page 25: ...ert the interlock connector into the back of the power supply c Connect the AC cord to the powers supply 3 Turn on the Laser Front Back Alden Plug Key Switch AC Power Cord What s in the Box 1 Laser Head 1 Power Supply 1 Manual and Quick Start Guide 1 Interlock Connector 2 Keys Helium Neon Laser Power Supply O I Helium Neon Laser Power Supply O I INTERLOCK HIGH VOLTAGE Interlock Connector Power On ...

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