Acta Optica Sinica, Volume. 29, Issue s1, 412(2009)
Lab Measuring Method of the Modulation Transfer Function of the Infrared Optical Lens
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.
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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
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