Or use angle-polished fiber.
-- John Larkin Highland Technology Inc www.highlandtechnology.com jlarkin at highlandtechnology dot com Precision electronic instrumentation Picosecond-resolution Digital Delay and Pulse generators Custom timing and laser controllers Photonics and fiberoptic TTL data links VME analog, thermocouple, LVDT, synchro, tachometer Multichannel arbitrary waveform generators
With photodiodes, sure--hit the window with a ball-peen hammer, very gently. Works great. I've never done that with lasers, though. The hermetic-package ones may or may not be passivated, and if not, they'll croak over pretty rapidly. Also the facet attracts crud photophoretically, so it gunks up rapidly unless it's in a well-sealed package of some sort.
Also the windows on DL packages are generally smaller than on photodiodes.
Cheers
Phil Hobbs
-- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC Optics, Electro-optics, Photonics, Analog Electronics 160 North State Road #203 Briarcliff Manor NY 10510 hobbs at electrooptical dot net http://electrooptical.net
Thanks Joe, I've got zero 'formal' optics training. Scheimpflug is bit of a mouth full, is the p pronounced?
George H.
...
Works great at least with 5.6mm DLs, but sometimes requires enough force to bend the case a little bit so that the hammer reaches the glass.
The photophoresis sounds interesting, I think I have to try that!
-- mikko
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