Large Diameter Germanium Single Crystals For IR Optics

G. Gafni; M. Azoulay; C. Shiloh; Y. Noter; A. Saya; H. Galron; M. Roth

doi:10.1117/12.941806

10 November 1987 Large Diameter Germanium Single Crystals For IR Optics

G. Gafni, M. Azoulay, C. Shiloh, Y. Noter, A. Saya, H. Galron, M. Roth

Proceedings Volume 0819, Infrared Technology XIII; (1987) https://doi.org/10.1117/12.941806
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

Large single crystals, up to 8" diameter, of high quality Optical Germanium, have been grown by the Czochralski technique. Post-growth thermal treatment improves the optical homogeneity and reduces optical losses, as shown by refractive index gradients and MTF measurements. A new approach for the piecewise combination of interferograms as well as a polychromatic treatment of MTF, are presented.

Citation Download Citation

G. Gafni, M. Azoulay, C. Shiloh, Y. Noter, A. Saya, H. Galron, and M. Roth "Large Diameter Germanium Single Crystals For IR Optics", Proc. SPIE 0819, Infrared Technology XIII, (10 November 1987); https://doi.org/10.1117/12.941806

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