Optical Frequency Combs - NIST
2009年12月31日 · Frequency comb-based lidar has also been used to create 3D maps. Eventually, lidar using optical frequency combs could keep satellites and other space …
Frequency Combs - NIST
2020年6月10日 · Stack of quartz optical "cavities" — precisely machined disks of solid quartz crystal — for use in NIST's compact laser frequency comb. (Only one is actually used.) A low …
Researchers develop a new type of frequency comb that promises …
2024年3月14日 · A frequency comb is a signal made of many evenly-spaced phase-coherent frequencies of light, which form the teeth of the comb. When all these frequencies are …
NIST Shows How to Make a Compact Frequency Comb in Minutes
2013年7月11日 · After machining the quartz, NIST scientists use a small, low-power infrared laser to pump light into it. A primary benefit of the high Q factor is that only a few milliwatts of laser …
To Break New Ground With Frequency Combs, a NIST Innovation …
2022年10月24日 · The innovation, created by scientists at the National Institute of Standards and Technology (NIST), represents a new way of using frequency comb technology, which the …
NIST Laser ‘Comb’ Systems Now Measure All Primary Greenhouse …
2021年6月30日 · NIST researchers used a laser frequency-comb instrument (illustration at lower right) to simultaneously measure three airborne greenhouse gases — nitrous oxide, carbon …
New Frequency Comb Can Identify Molecules in 20-Nanosecond …
2023年10月30日 · Whereas conventional frequency combs can have thousands or even millions of teeth, the researchers’ electro-optic comb only had 14 in a typical experimental run. …
Low-power, agile electro-optic frequency comb spectrometer for ...
2024年3月11日 · The on-chip comb spectrometer is able to simultaneously interrogate both an on-chip temperature sensor and an off-chip, microfabricated optomechanical accelerometer …
Optical Frequency Combs News - NIST
2021年9月28日 · After the optical frequency comb made its debut as a ruler for light, spinoffs followed, including the astrocomb to measure starlight and a radar-like comb Comb on a Chip: …
Fiber-optic Frequency Comb Development | NIST
2021年5月4日 · Basic fiber frequency comb design. Upper left shows the total optics package, which is the size of a laptop. Upper right shows the field programmable gate array (FPGA) …