Wide-temperature-range athermalization for MWIR hybrid refractive/diffractive optical system

Shen Mande

doi:10.3788/HPLPB20122408.1789

Volume 24 Issue 08

Nov. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(08): 1789-1792

Zeng Shuguang, Zhang Bin, Sun Nianchun, et al. Chirp-matching OPCPA scheme for eliminating pre-pulse of ultrashort laser pulse[J]. High Power Laser and Particle Beams, 2012, 24: 394-398. doi: 10.3788/HPLPB20122402.0394

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Shen Mande. Wide-temperature-range athermalization for MWIR hybrid refractive/diffractive optical system[J]. High Power Laser and Particle Beams, 2012, 24: 1789-1792. doi: 10.3788/HPLPB20122408.1789

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Wide-temperature-range athermalization for MWIR hybrid refractive/diffractive optical system

doi: 10.3788/HPLPB20122408.1789

Shen Mande^,

1.
School of Electronic and Electrical Engineering,Wuhan Textile University,Wuhan 430073,China

Received Date: 2011-11-29
Publish Date: 2012-08-15

Abstract

Abstract

A hybrid refractive/diffractive Petzval lens has been designed. Its working wavelength range is 3.2-4.5 m, full field of view is 8.42, efficient focal length is 95 mm and back focal length is 60.5 mm. The Petzval lens consists of four lenses, including two aspheric surfaces and a diffractive surface, which make the Petzval lens compact and light. Its modulation transfer function is above 0.7 in the temperature range from -80 to 160 ℃. The Petzval lens is compatible with the uncooled staring focal plane array which has a format of 320240 and the pixel pitch of 35 m.
- opticaldesign,
- infraredopticalsystem,
- diffractiveoptics,
- athermalization

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