nemeth@gpu.utcs.utoronto.ca (Gabe Nemeth) (04/10/90)
Anyone know of a reference to plans to build a small, reliable powersupply with easily available parts for a 4mW HeNe laser tube? Thanks /len
jim@mmsac.UUCP (Jim Lips Earl) (04/10/90)
>Anyone know of a reference to plans to build a small, reliable powersupply >with easily available parts for a 4mW HeNe laser tube? >Thanks /len Yes, in fact. See the March 1989 edition of RADIO ELECTRONICS magazine. In it is the schematic for a "Universal LASER power supply". This supply was designed to accommodate a wide variety of helium-neon tubes, both old and new, up to a maxiumum power output of about 5 milliwatts. If you can't get ahold of that, you can get an etched and drilled PC board, and a kit of ALL parts (excluding project box) for $39+$3 shipping+handling. Here is the address: General Science and Engineering P.O. Box 447 Rochester, NY 14603 Phone: (716) 338-7001 It looks like a heck of a deal, since I've seen laser power supplies go for a minimum of $50 at a bargain shop. -- Jim "Lips" Earl UUCP: ucbvax!ucdavis!csusac!mmsac!jim KB6KCP INTERNET: mmsac!jim@csusac.csus.edu ======================================================================= The opinions stated herein are all mine.
siegman@sierra.Stanford.EDU (Anthony E. Siegman) (04/12/90)
MWK Industries, Corona, California, 1-800-356-7714, advertises small potted power supplies for He-Ne lasers, either 110 VAC or 9 VDC input, for prices between $35 and $75. Hardly worth building your own at those prices.