Diode Pumped Q-Switched Nd:YLF Laser System 1047nm 523nm Researcher Special

Description

Diode Pumped Q-Switched Nd:YLF Laser System 1047nm 523nm Researcher Special
Diode Pumped Q-Switched Nd:YLF Laser System 1047nm 523nm Researcher Special
These are prototype DPSS lasers that were made for use in a high brightness theater projectors. They are not plug-and-play and are intended for someone with experience with this sort of equipment. Please consider this a partially assembled kit of parts you can use to make a high peak power infrared or green laser. We can offer only limited technical support. Check our other listing for the red and blue laser systems used with these to make 40,000 lumens of white light..
These are a simple L-fold configuration. The heart of the laser is a Q-peak Corona Multi-Pass Slab (MPS) Gain Module. This contains a 28×6×2mm slab of Nd:YLF side pumped by 2 40W laser diode bars. It is configured so that the beam passes through the slab 3 times for better absorption of the pump energy and increased gain. The cavity is formed with 2 HR mirrors and an OC mirror at 45 degrees forming the "L". A q-switch is used to create high peak power pulses and an LBO crystal is used for second harmonic generation of 523.5nm green from the 1047nm fundamental IR. All of the optics appear to be plano.
This being a prototype, the LBO was not protected in any way and the AR coatings were damaged as we received it. We swapped in a new 5x5x15 LBO crystal made for use with 1064nm lasers and with coarse alignment, got the laser making green light. In the picture showing ~700mW output, the pump diodes are running at 35A and the q-switch rate is about 2.5KHz. With proper alignment and tuning, this laser should be capable of producing at least 20W average power. This is built with off-the-shelf Newport and Thorlabs parts. This listing includes the matching q-switch RF driver that has built-in first pulse suppression.
This is plumbed for water cooling of the gain module, q-switch and LBO crystal. The tubing is configured with a primary loop for the pump diodes and a secondary loop for the YLF slab, q-switch and LBO. The flow in the secondary loop can be controlled with a small regulator. Mating CPC quick disconnect fittings will be included.
What's included:
Prototype Nd:YLF laser resonator including:
Q-Peak Corona Multi-Pass Slab gain module with 2 40W pump diodes
1/2" HR 1047 mirror in Newport HVM-.5 top adjust kinematic mount
1" OC mirror (HR 1047, HT 523.5 @ 45) in Thorlabs KM1 kinematic mount
1/2" DBHR 1047+523 mirror in Newport HVM-.5 top adjust kinematic mount
Gooch and Housego R33041-50-3-I-HGM-W Q-Switch module
Original (damaged) and new replacement LBO crystal
Associated plumbing for water cooling
Gooch and Housego MQH041-50DM-FPS-2S Dual Output 40.68MHz RF Q-switch driver with
50 ohm dummy load for the unused RF output
BNC cables
pre-wired 28V power supply
In order to run the laser, you will also need:
A laser diode driver capable of producing up to 50A with a compliance voltage of at least 4V.
A water chiller good for a few hundred watts of heat removal.
A signal generator to control the Q-switch pulse rate. YLF lasers generally run at 5KHz or less.
Pictures and description Copyright © 2020 Starlight Photonics, Inc.
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FDA Disclaimer for Laser Items
This product is sold solely for use as a component (or replacement) in an electronic product; therefore it is not required to, and does not comply with, 21 CFR 1040.10 and 1040.11 which pertain to complete laser products. The manufacturer of the complete system-level electronic product is responsible for complying with 21 CFR 1040.10 and 1040.11 and for providing the user with all necessary safety warnings and information.
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Company Information
Starlight Photonics, Inc.
PO Box 1134
Alviso, CA 95002