Optical absorption, depolarization, and scatter of epitaxial single-crystal chemical-vapor-deposited diamond at 1.064  µm

Giorgio Turri; Ying Chen; Michael A. Bass; David A. Orchard; James E. Butler; Sally Magana; Tatyana Feygelson; Derrick Thiel; Kevin Fourspring; Randle Dewees; Jean M. Bennett; Joni M. Pentony; Samantha Hawkins; Meghan Baronowski; Andrew J. Guenthner; Michael D. Seltzer; Daniel C. Harris; Carlisle M. Stickley

doi:10.1117/1.2748044

1 June 2007 Optical absorption, depolarization, and scatter of epitaxial single-crystal chemical-vapor-deposited diamond at 1.064 μm

Giorgio Turri, Ying Chen, Michael A. Bass, David A. Orchard, James E. Butler, Sally Magana, Tatyana Feygelson, Derrick Thiel, Kevin Fourspring, Randle Dewees, Jean M. Bennett, Joni M. Pentony, Samantha Hawkins, Meghan Baronowski, Andrew J. Guenthner, Michael D. Seltzer, Daniel C. Harris, Carlisle M. Stickley

Author Affiliations +

Optical Engineering, Vol. 46, Issue 6, 064002 (June 2007). https://doi.org/10.1117/1.2748044

Abstract

Epitaxial single-crystal chemical-vapor-deposited diamond with (100) crystal orientation is obtained from Element Six (Ascot, United Kingdom) and Apollo Diamond (Boston, Massachusetts). Both companies supply 5×5-mm squares with thicknesses of 0.35 to 1.74 mm. Element Six also provides disks with a state of the art diameter of 10 to 11 mm and a thickness of 1.0 mm. The absorption coefficient measured by laser calorimetry at 1.064 μm is 0.003 cm^-1 for squares from Element Six and 0.07 cm^-1for squares from Apollo. One Apollo specimen has an absorption coefficient near those of the Element Six material. Absorption coefficients of Element Six disks are 0.008 to 0.03 cm^-1. Each square specimen can be rotated between orientations that produce minimum or maximum loss of polarization of a 1.064-μm laser beam transmitted through the diamond. Minimum loss is in the range 0 to 11% (mean=5%) and maximum loss is 8 to 27% (mean=17%). Element Six disks produce a loss of polarization in the range 0 to 4%, depending on the angle of rotation of the disk. Part of the 0.04 to 0.6% total integrated optical scatter in the forward hemisphere at 1.064 μm can be attributed to surface roughness.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Giorgio Turri, Ying Chen, Michael A. Bass, David A. Orchard, James E. Butler, Sally Magana, Tatyana Feygelson, Derrick Thiel, Kevin Fourspring, Randle Dewees, Jean M. Bennett, Joni M. Pentony, Samantha Hawkins, Meghan Baronowski, Andrew J. Guenthner, Michael D. Seltzer, Daniel C. Harris, and Carlisle M. Stickley "Optical absorption, depolarization, and scatter of epitaxial single-crystal chemical-vapor-deposited diamond at 1.064 μm," Optical Engineering 46(6), 064002 (1 June 2007). https://doi.org/10.1117/1.2748044

Published: 1 June 2007

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