Large diameter germanium single crystals for IR optics

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

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

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.

Original languageEnglish
Pages (from-to)96-102
Number of pages7
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume819
DOIs
StatePublished - 10 Nov 1987

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