Laser light of a specific frequency falls on a crystal that converts this light into one with double the original frequency. Suppose the original laser light was red. In which region of
Fully phase-stabilized quantum cascade laser frequency comb | Nature Communications
1.533 µm Frequency-Locked Laser
Laboratory 8
CODEX - Laser Comb
Optical frequency comb offers a convenient way to generate elusive terahertz frequencies
Ultrafast Lasers: Injection-locked microring diode lasers enable ultrafast data transport | Laser Focus World