New type of depolarizer of magnesium fluoride

Fuyun Xu

doi:10.1117/12.130746

10 December 1992 New type of depolarizer of magnesium fluoride

Fuyun Xu

Proceedings Volume 1752, Current Developments in Optical Design and Optical Engineering II; (1992) https://doi.org/10.1117/12.130746
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

I have studied the transmission range of the existing depolarizer in this article and found we can depolarize visible light completely by using Calcite or Quartz depolarizer. But we can not depolarize near infrared and middle infrared light completely by using the existing depolarizer. According to this theory, I have invented a new type of monochromatic light magnesium fluoride double wedges depolarizer. Its structure is different from the quartz double wedges depolarizer. I have studied it by theoretical analysis and experiment measurement. I can depolarize the light completely whether the polarization plane of the incident light is known or frequently varies by using a new type of magnesium fluoride depolarizer. The polarization degree of the emerging light is below 1.0%. It can be used in the near ultraviolet, visible, near infrared and middle infrared light.

Citation Download Citation

Fuyun Xu "New type of depolarizer of magnesium fluoride", Proc. SPIE 1752, Current Developments in Optical Design and Optical Engineering II, (10 December 1992); https://doi.org/10.1117/12.130746

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