186 reputation
11242
bio website 3.14.by
location Moscow, Russia
age 32
visits member for 3 years, 10 months
seen 5 hours ago

Software developer (in love with C++). Hardware geek (FPGA's, STM32, AVR, crazy stuff from discrete components), love LED indicators (7-segment, alphanumeric). Trying to understand ASIC design & manufacturing better at the moment. Also, trying to wrap my head around lens design, but that is not going to be that easy.

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Oct
17
revised Low-cost 532nm DPSS laser modulation
added 74 characters in body
Oct
15
comment Low-cost 532nm DPSS laser modulation
@Eion As a side note, I recently realized that common EOM (Pockels Cells) have quite high switch energy due to high voltage and intrinsic capacitance. This makes it dissipate 10-450W of power on 10Mhz depending on aperture... They typically designed to switch fast, but only few 1000's of times per second.
Oct
15
revised Stimulated emission in Nd:silica glass, energy levels broadening and lasers
edited body
Oct
15
revised Stimulated emission in Nd:silica glass, energy levels broadening and lasers
added 478 characters in body
Oct
15
asked Stimulated emission in Nd:silica glass, energy levels broadening and lasers
Oct
10
comment Low-cost 532nm DPSS laser modulation
@CuriousOne "broadband", DC-10Mhz, random digital data.
Oct
10
asked Low-cost 532nm DPSS laser modulation
Oct
9
awarded  Popular Question
Oct
9
comment What challenges needed to be overcome to create (blue) LEDs?
@Gabe 515nm and 520nm
Oct
8
comment What challenges needed to be overcome to create (blue) LEDs?
@Ruslan A bit expensive (50-100$), but sold as usual laser diode, no problems. We've bought 26 GaN green lasers already.
Oct
8
comment What challenges needed to be overcome to create (blue) LEDs?
I already played alot with GaN green lasers from OSRAM ;-) 50mW and 120mW works just fine :-)
Sep
28
comment Why can Hiroshima be inhabited when Chernobyl cannot?
Actually Chernobyl is already kinda safe now. Typical radiation levels are only 1 uSv/hour and lower, peaking to 10 uSv/hour in the area near to reactor itself. There are populated cities with higher ambient radiation levels. So it's not inhabited only because of intertia, fear and bureaucracy. BTW I lived for 15 years 100km from Chernobyl.
Sep
28
awarded  Nice Answer
Sep
6
answered Number of blades in a fan
Aug
22
awarded  Notable Question
Aug
8
awarded  Popular Question
Jul
27
answered How would an X-ray mirror work?
Jul
20
comment Spallation neutron generation and pure U-238 reactors
Well, this is not ADS. The difference is that we are not waiting for accumulation of fissile isotopes, but rather burn U-238 directly using relativistic neutrons.
Jul
2
awarded  Inquisitive
Jul
2
awarded  Curious