Mark-I

Complete turnkey system for narrow range (4nm) precision (10fm resolution) spectroscopy (eg: WGM) 10fm 0.2-30Hz rms noise, 1pm/hr long term drift* 1310nm 5mW pigtailed DFB laser with 60dB isolation included. 1064 nm or 1550 nm optional. Optionally compatible with any 14pin butterfly laser package (DFB, DBR, etc.) Low noise (<1uA rms 0.5MHz) 100mA current controller (200mA/250mA/500mA optional) Hardware laser diode current limit protection, laser safety interlock 2x 2.5Watt Peltier PI controller (0.01C) for internal laser and external resonator temperature control 2x InGaAs 1mm2 detectors (800-1750nm) with 8 ranges of adjustable gain, FC connector 15 bit internal arbitrary direct digital signal synthesizer for laser current and temperature modulation Full digital laser control and monitor with 2x external synched analog inputs 10kS/sec/channel or 1MS/sec/single channel sampling rate Free software suite written by active WGM researcher and NI Certified LabVIEW Architect Intel i5 Windows laptop preloaded with all necessary software Compact footprint of 26 x 18 x 8 cm and external medical grade international power adapter Spectrum measurements recorded by MARK-I. HF atomic absorption line and resonance of a 50cm Whispering Gallery Mode ring resonator *measured using HF P(2) standard, equipped as specified