Refractive Aspherical Diffractive Elements And Hybrids
Description
Aspheric, diffractive, and hybrid refractive diffractive optical elements can be realized affordably with Lexitek’s Near-Index-Match™ (NIM™) optics. These optics can have aspheric or diffractive surfaces at the interface of two materials. The Near-Index-Match™ greatly reduces the cost to master or directly machine the boundary surface and has much looser tolerances compared with aspheric or diffractive surfaces interfaced with air. Near-Index-Match™ optics add a powerful new dimension to optical designers, adding aspheric surfaces and/or diffractive surfaces for aberration correction, achromatization and athermalization. NIM™ optics can be made with glass or plastic substrates and typically have an optical polymer on one or both exterior surfaces. Lexitek uses proprietary fabrication techniques to produce inexpensive, high-quality optics with rapid turn around.
Refractive Aspherical Diffractive Elements And Hybrids
Specifications |
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|---|---|
| Diameter: | 3-100 mm |
| Material: | Not Specified |
| Effective Focal Length: | 3-100 mm |
| Numerical Aperture (NA): | 1 |
| Wavelength Range: | 300 - 1600 nm |
Features
Continuous relief diffractive surfaces
Diffractive layers are buried beneath acontinuous exterior
Aspheric OPDs of 10 - 100 μm
Applications
Achromatization
Athermalization
Beam shaping
Aberration compensation
Null test plates for optical testing
Collimation
Laser diode circularization
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