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BK7 Plano Concave Lens

BK7 Plano Concave Lens
Plano concave lens is mainly used in diverging parallel light. BK7 materialhas high transmittance from visible light to near infrared(350-2000nm). When don’t need the feature of uv silica material, ...

Ruled Reflective Diffraction Gratings

Ruled Reflective Diffraction Gratings
Ruled Reflective Diffraction Gratings Diffraction grating is a kind of optical glass substrate composed of dense, equidistant parallel lines, and the surface is coated with aluminized reflective ...
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