专利汇可以提供Bragg angle optical matched filter system with coded glass transmission plate专利检索,专利查询,专利分析的服务。并且The optical matched filter system provides a means of achieving pulse compression for pulse radar with an improved range resolution. The system separates zero and first order light at low frequencies (30-60MC region) by making use of the polarization properties of shear mode acoustic waves in quartz. Linear polarized collimated zero order light from a laser illuminates an acoustic modulator. An electrical signal is converted by transducers into an acoustic shear wave signal which is propagated through the acoustic modulator and modulates the laser light beam to generate first order light containing a coded phase front polarized orthogonal to the zero order light from the laser containing a plane phase front. When the first order coded phase front and a coded glass transmission plate are matched at the moment of correlation a first order plane phase front is produced. An analyzer blocks most of the zero order light to reduce the bias on a photomultiplier. The first order plane phase front is focused to a spot by a transform lens and the light is passed through an optimized aperture or slit to the photomultiplier where the optical output is converted to an electrical output.,下面是Bragg angle optical matched filter system with coded glass transmission plate专利的具体信息内容。
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