Cascade laser

mounted epitax down on copper on a CS mount

11500nm Quantum Cascade laser from Adtech Optics with 20 mW output power. This QCL features emitter cavity dimension of 12 micron x 5 mm (width x length). The QCL is mounted epitax down on copper on a CS mount. The submount dimensions are 5 x 25 x10 mm. Device operating temperature is 15 - 40C. All data is taken at 15 degrees C with a center wavelength 11.5 micrometers. This QCL's threshold current is 0.88 A at 15 degrees C. Maximum current is 1.12 Amps and maximum voltage 13.5 Volts. Optical output power is 20 mW, uncoated, with an efficiency 0.25 %.