Supercontinuum fiber laser source for reflectance calibrations in remote sensing
Clarence J. Zarobila, Heather J. Patrick
The Optical Technology Division of the NIST provides reference measurements of specular and diffuse reflectance of materials, including measurements that provide traceability for diffuser plaques that are used as onboard calibration standards in remote sensing. We are developing new instrumentation that will enable angle-resolved BRDF measurements using a supercontinuum fiber laser-based source and a tunable monochromator. A significant improvement in optical power density at the specimen over that of lamp-based sources is expected. We present an overview of the source design and evaluation, including the predicted impact of supercontinuum sources on our next generation of BRDF measurement instrumentation.