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  • MWIR Aspheric Lens
May 2011
LightPath Technologies Inc.Request Info
ORLANDO, Fla., May 31, 2011 — LightPath Technologies Inc. has added a mid-wavelength infrared (MWIR) aspheric lens to its family of aspheric lenses designed for infrared applications.

Designed as a collimating lens for the quantum cascade lasers used in a wide variety of applications, including infrared countermeasures and gas analytical instrumentation for environmental sensing, the lens has a 7-mm beam diameter and a numerical aperture of 0.56.

Systems using it will achieve larger collimated beams than previously available with off-the-shelf MWIR aspheric lenses, according to the company. Molded from proprietary Black Diamond chalcogenide glass, it is a less expensive replacement for high-volume, diamond-turned germanium and zinc selenide optics.


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aspheric lens
A lens element in which at least one face is shaped to a surface of revolution about the lens axis, including conic sections but excluding a sphere.
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