Monochromatic Polarization Grating LFG25H-5-780
JCOPTIX liquid-crystal-polymer polarization gratings combine H-K9L glass and functional polymer films. Retardance is constant across the aperture while fast-axis direction varies linearly. Circular input deflects to +1 or -1 order according to handedness, emerging circular with opposite handedness. Elliptical input distributes energy between ±1 orders according to left/right circular components. Custom period, angle, wavelength, dimensions and retardance are available. Consult technical staff for high-temperature/high-humidity environments.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Operating Wavelength Band | 780 nm |
| Period | 5.0 μm |
| Diffraction Angle | ±8.97° |
| Optical element material | Liquid Crystal Polymer and H-K9L Glass Substrate |
| Dimensions | 25.0 mm × 25.0 mm |
| Period Tolerance | ±100 nm |
| Diffraction Efficiency | >98% |
| Dimensional Tolerance | +0/-0.1 mm |
| Thickness | 1.6 mm |
| Thickness Tolerance | +0/-0.1 mm |
| Antireflection Coating R_avg [650-1100 nm (6° Angle of Incidence, Single Side)] | R_avg<0.5% @650-1100 nm (6° Incidence, Single Side) |
| Surface quality (scratch/dig) | 60/40 |
| Operating Temperature | -20-60 °C |
| Damage Threshold [515 nm, 10 Hz, 202 fs, Ø113 µm] | 0.1 J/cm² (515 nm, 10 Hz, 202 fs, Ø113 µm) |
Key Features
Datasheet
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Supplier Information
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