High Brightness Fiber-Coupled QCL Module

Physical Sciences Inc. (PSI) in partnership with IRflex Corp. proposes a compact quantum cascade laser (QCL) module that combines the outputs from several high power mid-wave infrared QCLs using infrared fiber in a Nx1 fiber combiner configuration.  As part of the combiner, the module will feature a fiber taper section that adiabatically reduces the fiber core diameter in order to produce a beam with the required beam quality factor.  The module output is fiber-coupled.  This is particularly convenient for distributed aperture applications or whenever the laser and its associated thermal and electrical drive infrastructure must be located apart from the optical output head, typically for size, weight, and power (SWaP) considerations.