This market focuses on semiconductor lasers that operate in the mid to far-infrared spectrum (typically 3 to 20 microns). Unlike traditional lasers, QCLs emit light via intersubband transitions within quantum wells, allowing for highly specific and tunable wavelengths. Their key applications include high-precision sensing (e.g., trace gas detection), spectroscopy, chemical analysis, i... https://www.marketresearchfuture.com/reports/quantum-cascade-laser-market-34639