Terahertz (THz) radiation, which occupies the frequency band between microwaves and infrared light, is essential in many next ...

The Federal Communications Commission recently opened a public notice of proposed rulemaking on high-frequency spectrum, above 24 GHz. High-frequency spectrum is arguably one of the last frontiers of ...

Dual-comb spectroscopy is an innovative optical technique that exploits pairs of laser frequency combs—light sources whose spectra consist of equidistant narrow lines—to facilitate high-resolution, ...

(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) ...

Raman Spectroscopy is a versatile analytical technique designed for molecular structure measurement and identification of chemical composition of materials based on the vibrational and rotational ...

Dual combs: soliton spectrum from the spectrometer-on-a-chip. (Courtesy: Qi-Fan Yang) A new spectrometer-on-a-chip that employs two frequency combs has been unveiled by physicists at Caltech in the US ...

Since the first demonstration of the laser in the 1960s, laser spectroscopy has become an essential tool for studying the detailed structures and dynamics of atoms and molecules. Advances in laser ...

Government on Tuesday released the National Frequency Allocation Plan 2025 — in which it will allocate 6425–7125 MHz band for ...

The Department of Telecommunications (DoT), Ministry of Communications, released the National Frequency Allocation Plan (NFAP ...