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Summary of Contents for THORLABS HRP350
- Page 1 HRP350, HRP350-EC High Power HeNe Laser Systems Operating Manual...
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Page 2: Table Of Contents
Noise, Oscillations, and Fluctuation Sources ......................16 Part 7. Specifications ..........................17 7.1. Mechanical Drawing ..........................17 Part 8. Regulatory ..........................18 Part 9. Thorlabs Worldwide Contacts ....................19 12112-S01 Rev CB, August 31, 2010 Page 2 www.thorlabs.com... - Page 3 Figure 8 Laser Rear Panel ........................13 Figure 9 Laser Shutter Control, Picture shows the Shutter CLOSED..........13 Figure 10 Dimensional Drawing ......................17 12112-S01 Rev CB, August 31, 2010 Page 3 www.thorlabs.com...
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Page 4: Part 1. Safety
• Operating this product in the presence of flammable gases or fumes is extremely hazardous. • Disconnect the power cord before replacing fuses. • Clean the laser head and power supply with a dry, soft cloth. Do not use liquids. 12112-S01 Rev CB, August 31, 2010 Page 4 www.thorlabs.com... -
Page 5: Ce Compliance
CE requirements. In order for the CE regulations to be met, all Thorlabs power supplies must be used with an input line cord with a length of less than three meters. The factory-included line cord has a length of approximately two meters. Other cords may be used, but they must have a length of no longer than three meters in order for the laser system to remain CE compliant. -
Page 6: Part 2. Description
Red HeNe Laser System Part 2. Description Thorlabs’ high-power red (632.8) Helium-Neon gas lasers have a maximum stable output power of 50.0 mW and a fundamental Gaussian beam. The laser comes in two versions, one for 115 VAC and another for 220 VAC voltage source. The output beam is linearly polarized. -
Page 7: Laser Power Supply
Systems one end of the laser tube, and an output coupler mirror with approximately 1% transmission at the other end. 12112-S01 Rev CB, August 31, 2010 Page 7 www.thorlabs.com... -
Page 8: Hene Linewidth
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 50 mW. HeNe Linewidth A red HeNe laser wavelength is 632.816 nm in air, though it is often reported as either 632 nm or... -
Page 9: Figure 4 Hene Gain Curve Showing Cavity Modes
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. 12112-S01 Rev CB, August 31, 2010 Page 9 www.thorlabs.com... -
Page 10: Hene Polarization
Depending on the time scale of an application, large power fluctuations are possible. Polarized Beam The state of polarization in a polarized HeNe laser beam is linear, making these lasers ideal for polarization-sensitive applications. 12112-S01 Rev CB, August 31, 2010 Page 10 www.thorlabs.com... -
Page 11: Part 3. Unpacking
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 matching the item number on the box. If the shipment is incomplete, or if an incorrect item was shipped to you, please notify Thorlabs immediately. This package should contain: •... -
Page 12: Part 4. Set-Up
1) This laser system includes either a 120 or 240 VAC power supply designated by the part number – HRP350 or HRP350-EC respectively. The power supply does not need to be manually set for the appropriate regional current, but the correct mains voltage cord must be used. -
Page 13: Part 5. Operation
Figure 8 Laser Rear Panel 3) Open the aperture by sliding the lever left so the ON label is visible. Lever Slides Figure 9 Laser Shutter Control, Picture shows the Shutter CLOSED. 12112-S01 Rev CB, August 31, 2010 Page 13 www.thorlabs.com... -
Page 14: Alignment Procedure
5.1. Alignment Procedure During shipment or rough handling, the Thorlabs model HRP350 and HRP350-EC laser may become slightly misaligned and suffer a reduction in output power. The following procedure should be used to optimize the laser alignment. -
Page 15: Part 6. Troubleshooting
However, any polarization optics in the path (intentional or unintentional) can cause large variations in the output power. These applications should only be used with a polarized laser. 12112-S01 Rev CB, August 31, 2010 Page 15 www.thorlabs.com... -
Page 16: Noise, Oscillations, And Fluctuation Sources
• Switching noise from DC high voltage power supplies (40 kHz) • Plasma oscillation (tens of MHz) • Transverse mode beat notes (hundreds of MHz) • Axial mode beats (at FSR, hundreds of MHz) 12112-S01 Rev CB, August 31, 2010 Page 16 www.thorlabs.com... -
Page 17: Part 7. Specifications
Red HeNe Laser System Part 7. Specifications Item # HRP350 HRP350-EC 633 nm Wavelength 35.0 mW Min Output Power 50.0 mW Maximum Output Power <1% rms Noise (30 Hz – 10 MHz) Linear > 500:1 Polarization > 99% Mode Structure 1.22 mm... -
Page 18: Part 8. Regulatory
CB’s, housing gs etc.). If you wish t to return a T Thorlabs uni it for waste r recovery, pl ease contact t Thorlabs o or your neare est dealer for further in nformation. 8.1. Was ste Treatm ment is Y... -
Page 19: Part 9. Thorlabs Worldwide Contacts
Red HeNe Laser System Part 9. Thorlabs Worldwide Contacts For technical support or sales inquiries, please visit us at www.thorlabs.com/contact for our most up- to-date contact in information. USA, Canada, and South America UK and Ireland Thorlabs, Inc. Thorlabs Ltd. - Page 20 Thorlabs, I Inc. 435 Route 20 Newton, NJ 0 07860 USA Phone: (973) ) 579-7227 ♦ F ax: (973) 300-3600 www.thorlab bs.com...
- Page 21 HeNe Laser Quick Start Guide 1. Unpack the Laser and Power Supply 2. High-Voltage Power Supply a. Carefully unpack the laser head, and a. Your laser comes ready with a high-voltage power supply desined for use place it securely on your work sur- with either 120 VAC or 230 VAC (-EC version).
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