Semiconductor lasers are known to be ideal devices for a wide variety of sensing applications, permitting recalibration free quantitative detection with high sensitivity and ultracompact design. Current applications  are limited by the high manufacturing cost to the commercial sector. Due to a breakthrough in laser design,

Sensalight Technologies is transfering all the advantages of semiconductor laser based sensing to high volume customer applications. Monolithical lasers quasicontinuously tuneable over wavelengths ranges of 50 nm and more enable consumer applications in areas like automotive, health, environment and safety.
Lasers are available in a wide variety of packages.