Sub-nanometer band pass coatings for LIDAR and astronomy

Markus A. Fredell; Gary E. Carver; Sheetal Chanda; Sarah A. Locknar; Robert L. Johnson Jr.

doi:10.1117/12.2208368

1 September 2015 Sub-nanometer band pass coatings for LIDAR and astronomy

Markus A. Fredell, Gary E. Carver, Sheetal Chanda, Sarah A. Locknar, Robert L. Johnson Jr.

Proceedings Volume 9612, Lidar Remote Sensing for Environmental Monitoring XV; 96120K (2015) https://doi.org/10.1117/12.2208368
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

Ultra-narrow band pass filters are used to maximize LIDAR range and sensitivity. Alternate designs and measured fabrication results are presented for sub-nanometer band pass filters down to quarter nanometer bandwidths with 95% transmission. Thermal and angle sensitivity have been minimized. The filters are fabricated using dual source, plasma assisted magnetron sputtering. Single and multi-cavity designs are presented.

Citation Download Citation

Markus A. Fredell, Gary E. Carver, Sheetal Chanda, Sarah A. Locknar, and Robert L. Johnson Jr. "Sub-nanometer band pass coatings for LIDAR and astronomy", Proc. SPIE 9612, Lidar Remote Sensing for Environmental Monitoring XV, 96120K (1 September 2015); https://doi.org/10.1117/12.2208368

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