3 ms·
This technology enables frequency counters for laser light.[1] Input a red laser, and you can directly measure its frequency in Hertz with 14 digits of precisio
by mikewarot 2y ago
This technology enables frequency counters for laser light.[1] Input a red laser, and you can directly measure its frequency in Hertz with 14 digits of precision.
[1] https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=11422 https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=11...
- CamperBob2 2y agoI can't tell from the spec sheet at https://www.thorlabs.com/_sd.cfm?fileName=MENLO_SMART-COMB-S01.pdf&partNumber=SMART-COMB https://www.thorlabs.com/_sd.cfm?fileName=MENLO_SMART-COMB-S... whether you have to configure the unit at build time to measure lasers near a given wavelength, or whether it really will measure any arbitrary laser you feed to it. Under "Measurement Wavelength" it says "Choose one in the 630-2000 nm range," and often that type of specification means you have to specify the nominal frequency up front when you order it. Either way, it seems to be a big step forward in commercializing this stuff. The comb hardware I've seen takes up a good chunk of an entire room.