IN such elementary text-books on geometrical optics as I have consulted it has always seemed to me that the writers have found a difficulty in presenting a precise direct proof of the theorem that ...
Products from the PrismMaster® series are used for high-precision angle measurement of prisms, polygons and many other optical components. The automation of the measurement process ensures fast and ...
Yutai's Dispersive Equilateral Prisms, which are fabricated from H-ZF13, F4,H-K9L or infrared material.These prisms create less stray light than diffraction gratings, thereby eliminating the higher ...
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