Two-photon absorption in InSb and Hg1-xCdxTe

Alan Miller; A. Johnston; J. Dempsey; J. Smith; C. R. Pidgeon; G. D. Holah

doi:10.1088/0022-3719/12/22/025

Two-photon absorption in InSb and Hg_1-xCd_xTe

Alan Miller, A. Johnston, J. Dempsey, J. Smith, C. R. Pidgeon, G. D. Holah

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

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Abstract

Two-photon absorption measurements on InSb, obtained with a single mode hybrid CO₂ laser, have been analysed, taking into account the fact that the laser is Gaussian in space and the effect of free-hole absorption on the temporal profile. The dependence on wavelength of the two-photon coefficient at room temperature (K₂=8 cm(MW)^-1 for 10.6 mu m and K₂=14 cm(MW)^-1 for 9.6 mu m pumping) agrees well with a new calculation including the effect of non-parabolic bands. A similar measurement on Hg_0.78Cd_0.22Te (K₂=14.0 cm(MW)^-1 for 10.6 mu m pumping) is consistent with this.

Original language	English
Article number	025
Pages (from-to)	4839-4849
Number of pages	11
Journal	Journal of Physics C: Solid State Physics
Volume	12
Issue number	22
DOIs	https://doi.org/10.1088/0022-3719/12/22/025
Publication status	Published - 1979

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title = "Two-photon absorption in InSb and Hg1-xCdxTe",

abstract = "Two-photon absorption measurements on InSb, obtained with a single mode hybrid CO2 laser, have been analysed, taking into account the fact that the laser is Gaussian in space and the effect of free-hole absorption on the temporal profile. The dependence on wavelength of the two-photon coefficient at room temperature (K2=8 cm(MW)-1 for 10.6 mu m and K2=14 cm(MW)-1 for 9.6 mu m pumping) agrees well with a new calculation including the effect of non-parabolic bands. A similar measurement on Hg0.78Cd0.22Te (K2=14.0 cm(MW)-1 for 10.6 mu m pumping) is consistent with this.",

author = "Alan Miller and A. Johnston and J. Dempsey and J. Smith and Pidgeon, \{C. R.\} and Holah, \{G. D.\}",

year = "1979",

doi = "10.1088/0022-3719/12/22/025",

language = "English",

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pages = "4839--4849",

journal = "Journal of Physics C: Solid State Physics",

issn = "0022-3719",

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T1 - Two-photon absorption in InSb and Hg1-xCdxTe

AU - Miller, Alan

AU - Johnston, A.

AU - Dempsey, J.

AU - Smith, J.

AU - Pidgeon, C. R.

AU - Holah, G. D.

PY - 1979

Y1 - 1979

N2 - Two-photon absorption measurements on InSb, obtained with a single mode hybrid CO2 laser, have been analysed, taking into account the fact that the laser is Gaussian in space and the effect of free-hole absorption on the temporal profile. The dependence on wavelength of the two-photon coefficient at room temperature (K2=8 cm(MW)-1 for 10.6 mu m and K2=14 cm(MW)-1 for 9.6 mu m pumping) agrees well with a new calculation including the effect of non-parabolic bands. A similar measurement on Hg0.78Cd0.22Te (K2=14.0 cm(MW)-1 for 10.6 mu m pumping) is consistent with this.

AB - Two-photon absorption measurements on InSb, obtained with a single mode hybrid CO2 laser, have been analysed, taking into account the fact that the laser is Gaussian in space and the effect of free-hole absorption on the temporal profile. The dependence on wavelength of the two-photon coefficient at room temperature (K2=8 cm(MW)-1 for 10.6 mu m and K2=14 cm(MW)-1 for 9.6 mu m pumping) agrees well with a new calculation including the effect of non-parabolic bands. A similar measurement on Hg0.78Cd0.22Te (K2=14.0 cm(MW)-1 for 10.6 mu m pumping) is consistent with this.

U2 - 10.1088/0022-3719/12/22/025

DO - 10.1088/0022-3719/12/22/025

M3 - Article

SN - 0022-3719

VL - 12

SP - 4839

EP - 4849

JO - Journal of Physics C: Solid State Physics

JF - Journal of Physics C: Solid State Physics

IS - 22

M1 - 025

ER -

Two-photon absorption in InSb and Hg1-xCdxTe

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Two-photon absorption in InSb and Hg_1-xCd_xTe