Lab Measuring Method of the Modulation Transfer Function of the Infrared Optical Lens

Jin Hui; Zhang Xiaohui

Journals >Acta Optica Sinica >Volume 29 >Issue s1 >Page 412 > Article

Acta Optica Sinica
Vol. 29, Issue s1, 412 (2009)

Lab Measuring Method of the Modulation Transfer Function of the Infrared Optical Lens

Jin Hui^* and Zhang Xiaohui

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[in Chinese]

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Jin Hui, Zhang Xiaohui. Lab Measuring Method of the Modulation Transfer Function of the Infrared Optical Lens[J]. Acta Optica Sinica, 2009, 29(s1): 412 Copy Citation Text

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Abstract

The modulation transfer function (MTF) is one of the fundamental parameters to evaluate the infrared optical lens. In this paper, the knife-edge scanning method is put forward to evaluate the MTF of infrared optical lens. Then measure the MTF of a infrared lens with f=50 mm, F=1.2 and wavelength=8～12 μm.And MTF is got at several characteristic frequencies. At last the curve of MTF is presented.

Keywords

infrared optical lens modulation transfer function the knife-edge scanning method

Jin Hui, Zhang Xiaohui. Lab Measuring Method of the Modulation Transfer Function of the Infrared Optical Lens[J]. Acta Optica Sinica, 2009, 29(s1): 412

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