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Adjusting contrast in an optical system

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Analyzer insert for a polarizing microscope

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Apparatus and method for controlling polarization in an...

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Apparatus and system for wide angle narrow-band optical...

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Birefringent plate arrangement with stress birefringence

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Color filter having polarizability

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Composite optical element, optical isolator, optical...

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Controlling light transmission with polarization and...

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Covert lighting adapter

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Device and method for an optical tunable polarization...

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Device, method, and system of display for controlled viewing

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Diamond-like carbon film and method for qualitatively...

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Diffuse reflectors

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Disappearing and appearing image of an object

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Dual polarized filters to eliminate canopy reflections

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Film confined to a frame having relative anisotropic expansion c

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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High efficiency electromagnetic beam projector, and systems...

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Light fixture having a multilayer polymeric film

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Light fixture having a multilayer polymeric film

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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Light pipe and polarized-light source

Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
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