"This technology is known as a Tunable DiodeLaser (TDL) gas sensor. The heart of the TDL system is a small laserdiode (about 2mm square) that produces a
Deglr6328 700×569×8 (57905 bytes) Image of a high power laserdiode array firing from LLNL document "Laser Programs, the first 25 years". English applies to
