Far-infrared detection with Hg1-xCdxTe

M. F. Kimmitt; G. C. Lopez; J. C. Giles; M. Takai; H. P. Röser; B T McGuckin; A. Black

doi:10.1016/0020-0891(85)90045-4

Far-infrared detection with Hg_1-xCd_xTe

M. F. Kimmitt, G. C. Lopez, J. C. Giles, M. Takai, H. P. Röser, B T McGuckin, A. Black

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15 Citations (Scopus)

Abstract

We report detection in liquid He cooled n-Hg_1-xCd_xCd_xTe at wavelengths between 140 and 1200 µm. With the mole fraction, x, of Cd <0.4m the alloy behaves as an electron bolometer with similar detectivity, but much improved bandwidth, compared with n-InSb. With x > 0.48 the detection process is extrinsic photoconductivity with an energy gap of a few meV. Lattice absorption severely limits detection in the wavelength range 220-340 µm. © 1985.

Original language	English
Pages (from-to)	767-778
Number of pages	12
Journal	Infrared Physics
Volume	25
Issue number	6
DOIs	https://doi.org/10.1016/0020-0891(85)90045-4
Publication status	Published - Nov 1985

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title = "Far-infrared detection with Hg1-xCdxTe",

abstract = "We report detection in liquid He cooled n-Hg1-xCdxCdxTe at wavelengths between 140 and 1200 µm. With the mole fraction, x, of Cd <0.4m the alloy behaves as an electron bolometer with similar detectivity, but much improved bandwidth, compared with n-InSb. With x > 0.48 the detection process is extrinsic photoconductivity with an energy gap of a few meV. Lattice absorption severely limits detection in the wavelength range 220-340 µm. {\textcopyright} 1985.",

author = "Kimmitt, {M. F.} and Lopez, {G. C.} and Giles, {J. C.} and M. Takai and R{\"o}ser, {H. P.} and McGuckin, {B T} and A. Black",

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T1 - Far-infrared detection with Hg1-xCdxTe

AU - Kimmitt, M. F.

AU - Lopez, G. C.

AU - Giles, J. C.

AU - Takai, M.

AU - Röser, H. P.

AU - McGuckin, B T

AU - Black, A.

PY - 1985/11

Y1 - 1985/11

N2 - We report detection in liquid He cooled n-Hg1-xCdxCdxTe at wavelengths between 140 and 1200 µm. With the mole fraction, x, of Cd <0.4m the alloy behaves as an electron bolometer with similar detectivity, but much improved bandwidth, compared with n-InSb. With x > 0.48 the detection process is extrinsic photoconductivity with an energy gap of a few meV. Lattice absorption severely limits detection in the wavelength range 220-340 µm. © 1985.

AB - We report detection in liquid He cooled n-Hg1-xCdxCdxTe at wavelengths between 140 and 1200 µm. With the mole fraction, x, of Cd <0.4m the alloy behaves as an electron bolometer with similar detectivity, but much improved bandwidth, compared with n-InSb. With x > 0.48 the detection process is extrinsic photoconductivity with an energy gap of a few meV. Lattice absorption severely limits detection in the wavelength range 220-340 µm. © 1985.

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U2 - 10.1016/0020-0891(85)90045-4

DO - 10.1016/0020-0891(85)90045-4

M3 - Article

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VL - 25

SP - 767

EP - 778

JO - Infrared Physics

JF - Infrared Physics

IS - 6

ER -

Far-infrared detection with Hg_1-xCd_xTe

Abstract

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