Looking through eBay recently I came across a great deal on some Helium-Neon laser heads from Melles Griot. While definitely not new, these gas lasers are extremely long-lasting & I figured the tubes inside would make a nice addition to my laser collection. Doing some searching on the model number,
Continue readingMelles-Griot 05-LHP-141-15 Helium Neon Laser Head & Tube Extraction
Description and Schematic SG-HM2 is a modular He-Ne laser power supply based on IC-HI1 with some minor enhancements. The first version is for laser tubes up to approximately 1 mW (2 mW with trivial modifications) but it should be straightforward to go to 5 mW or even higher power tubes
From now on I plan on posting a random electronics related photo every day. Here’s the first: Old Melles Griot 1mW He-Ne laser tube in operation 00
An ICL barcode scanner from the 80s is shown here. This is the top of the unit with cover on. Plastic cover removed from the unit showing internal components. Main PSU on left, scan assembly in center. Laser PSU & Cooling fan on right. Laser tube at top. Closeup of