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Summary of Contents for THORLABS HNLS008R
- Page 1 HNLS008R, HNLS008L Self Contained, Red HeNe Laser System User Guide...
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Page 2: Table Of Contents
5.1. Technical Failures ......................14 5.2. Application Trouble Shooting ..................14 5.2.1. Noise, Oscillations, and Fluctuation Sources ..............14 Chapter 6 Specifications ........................15 Chapter 7 Mechanical Drawing ......................16 Chapter 8 Regulatory ...........................17 Chapter 9 Compliance .........................18 Chapter 10 Thorlabs Worldwide Contacts ..................19 ... -
Page 3: Chapter 1 Safety
Safety Information 1.1.1. Safety Summary As defined by the Federal Register 21 CFR 1040.10 Laser Safety Standard, Thorlabs’ Helium Neon laser heads are classified according to output power and wavelength. In compliance with this standard, certain performance features and laser safety labels are provided on the product. - Page 4 HNLS008R(L) Red HeNe Laser System Chapter 1: Safety Power Supply Line Power Requirements The unit can operate from any single-phase AC power source that supplies 120 (no dash), 230 (-EC), or 100 (-JP) VAC at a frequency range of 50 to 60 Hz. It draws 0.6 A maximum. The maximum power consumption is dependent on the configuration of each system.
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Page 5: Safety Instructions
Thorlabs’ assumes no liability for the customer’s failure to comply with any of these safety requirements. - Page 6 HNLS008R(L) Red HeNe Laser System Chapter 1: Safety Warning To avoid the risk of injury or death, always observe the following precautions before initializing the unit: Never look into the end of an optical cable connected to an optical output device that is operating. Laser radiation is invisible, and direct exposure can severely injure the human eye.
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Page 7: Chapter 2 Description
Chapter 2 Description Thorlabs’ line of self-contained, low-power, red (632.8 nm) helium-neon (HeNe) gas lasers have stable output power of 0.8 mW and a fundamental Gaussian beam. Depending on the model chosen, the output beam will be either linearly polarized or randomly polarized (unpolarized). The state of polarization in a randomly polarized laser beam is not truly an unpolarized source, but rather a single state of polarization that changes on a small timescale. -
Page 8: Hene Laser Overview
Transmission at Output Coupler (OC) HeNe lasers tend to be small, with cavity lengths of around 15 cm up to 0.5 m and optical output 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. - Page 9 HNLS008R(L) Red HeNe Laser System Chapter 2: Description Neon Gain Curve FWHM ~1.5 GHz Lasing Lasing Threshold Cavity Modes Frequency FSR ~1000 MHz FSR ~200 MHz Short (0.2 m) Laser Long (1 m) Laser Figure 3 HeNe Gain Curve Showing Cavity Modes The laser process in a HeNe laser starts with the collision of electrons from the electrical discharge with the helium atoms in the gas.
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Page 10: Hene Polarization
HNLS008R(L) Red HeNe Laser System Chapter 2: Description The laser cavity can be designed with the correct mirrors and length to promote other wavelengths of laser emission. There are infrared transitions at 3.39 μm and 1.15 μm wavelengths, and a variety of visible transitions, including a green (543.365 nm, sometimes called GreeNe laser), a yellow (593.932 nm), a yellow-orange... -
Page 11: Chapter 3 Setup
Inspect the packing container for any damage that may have occurred during shipment. Contact your local Thorlabs customer service office for assistance. Packing materials are specifically designed to protect against shipping damage. Please keep this container and reuse it if your system needs to be returned to Thorlabs for service or evaluation. -
Page 12: Mounting The Laser Head
HNLS008R(L) Red HeNe Laser System Chapter 3: Setup 3.2. Mounting the Laser Head The square housing allows for quick and stable setup on any flat work surface. No special or additional equipment is required to mount the laser. The front aperture has an internal 5/8"-32 threaded mounting port which can be adapted to be used with a variety of our SM1 threaded optomechanical devices using an SM1A32 Adapter. -
Page 13: Chapter 4 Operation
HNLS008R(L) Red HeNe Laser System Chapter 4: Operation Chapter 4 Operation To operate the laser system, follow the following procedures: 1) Make sure that the laser is pointing safely away from people and is securely mounted and directed into a beam block, beam dump or similar non-reflective surface. -
Page 14: Chapter 5 Troubleshooting
HNLS008R(L) Red HeNe Laser System Chapter 5: Troubleshooting Chapter 5 Troubleshooting 5.1. Technical Failures Problem No light is being emanating from Make sure that the aperture is open. the laser. Check to make sure that the power supply is plugged into a working outlet, and ... -
Page 15: Chapter 6 Specifications
HNLS008R(L) Red HeNe Laser System Chapter 6: Specifications Chapter 6 Specifications Item # HNLS008R HNLS008L Wavelength 632.8 nm Min Output Power (TEM , 633 nm) 0.8 mW Min Polarization Ratio (Min) – 500:1 Beam Drift Not Specified Long Term Beam Drift Not Specified ... -
Page 16: Chapter 7 Mechanical Drawing
HNLS008R(L) Red HeNe Laser System Chapter 7: Mechanical Drawing Chapter 7 Mechanical Drawing 6.00in 152.4mm 0.45in 0.45in 11.4mm 11.4mm 6.90in 5/8in-32 175.3mm Inner Thread 2.50in 63.5mm 2.00in 50.8mm Figure 8 Dimensional Drawing Rev C, March 23, 2015 Page 16... -
Page 17: Chapter 8 Regulatory
Waste Treatment is Your Own Responsibility If you do not return an “end of life” unit to Thorlabs, you must hand it to a company specialized in waste recovery. Do not dispose of the unit in a litter bin or at a public waste disposal site. -
Page 18: Chapter 9 Compliance
HNLS008R(L) Red HeNe Laser System Chapter 9: Compliance Chapter 9 Compliance FDA-CDRH Compliance Under the US FDA CDRH, the lasers conform to the Code of Federal Regulations (CFR), Title 21, Subchapter J, which pertains to laser safety and labeling. See www.fda.gov/cdrh/radhlth/cfr/21cfr1000-1050.pdf for more information. -
Page 19: Chapter 10 Thorlabs Worldwide Contacts
Chapter 10 Thorlabs Worldwide Contacts For technical support or sales inquiries, please visit us at www.thorlabs.com/contact for our most up-to- date contact information. USA, Canada, and South America UK and Ireland Thorlabs, Inc. Thorlabs Ltd. sales@thorlabs.com sales.uk@thorlabs.com techsupport@thorlabs.com techsupport.uk@thorlabs.com Europe... - Page 20 www.thorlabs.com...
- Page 21 HeNe Laser Quick Start Guide 1. Unpack the Laser and Power Supply a. Carefully unpack the laser head, and place it securely on your work surface. b. Carefully unpack the power adapter. c. Unpack and read documentation CAREFULLY! What’s in the Box? 1 Laser 1 Power Adapter 1 Manual and Quick Start Guide...
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