(Nanowerk News) Optical frequency comb (OFC) provides equidistant comb lines in broad bandwidth, and each comb line corresponds to an absolute optical frequency, which is similar as a comb (or rule) ...

Absolute distance measurement techniques based on optical frequency combs have emerged as the gold standard for high-precision ranging over distances from micrometres to several kilometres. Optical ...

How it works: the top frequency comb is passed through a sample of interest and then into a beamsplitter. The bottom frequency comb operates at a slightly different pulse repetition frequency and is ...

A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2022.210023 considers sub-femtometer-resolution absolute spectroscopy based on dual electro-optic frequency comb. Optical frequency ...