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

Large diameter germanium single crystals for IR optics

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

The Institute of Applied Physics

Research output: Contribution to journal › Article › peer-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 language	English
Pages (from-to)	96-102
Number of pages	7
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	819
DOIs	https://doi.org/10.1117/12.941806
State	Published - 10 Nov 1987

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10.1117/12.941806

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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.",

author = "G. Gafni and M. Azoulay and C. Shiloh and Y. Noter and A. Saya and H. Galron and M. Roth",

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AU - Gafni, G.

AU - Azoulay, M.

AU - Shiloh, C.

AU - Noter, Y.

AU - Saya, A.

AU - Galron, H.

AU - Roth, M.

PY - 1987/11/10

Y1 - 1987/11/10

N2 - 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.

AB - 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.

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JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

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Large diameter germanium single crystals for IR optics

Abstract

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