FIR (TeraHertz) series: Optically Pumped Far Infrared Lasers
Edinburgh Instruments Ltd.A range of optically pumped, far infra-red (FIR) lasers are available for applications that require coherent radiation in the spectral range of 40 microns to 1.22 mm, the TeraHertz (0.25 to 7.5 THz) frequency range. FIR laser frequencies arise from rotational transitions in an excited vibrational state of a polar gas molecule at low pressure. The optically pumped FIR laser relies on the selective absorption of tunable infra re…