Description
Middle Infrared zero order waveplate is constructed by two Magnesium Fluoride (MgF2) plates with their fast axis crossed, the two plates are constructed by optically contacted method, the optical path is epoxy free. The difference in thickness between the two plates determines the retardance. Middle Infrared zero order waveplates is widely used in infrared applications, ideally for 2.5-6.0 micron range.
Ideal for Applications in the 2.5-6.0μm Range
High Damage Threshold
Better Temperature Bandwidth
Wide Wavelength Bandwidth
Both Sides AR Coated
RoHS Compliant
Middle Infrared Zero Order Waveplate
Specifications
| Waveplate Type: | Zero Order |
|---|---|
| Material: | MgF2 |
| Mounting: | Mounted, Unmounted |
| Shape: | Round, Square, Rectangle, Custom |
| Size: | 25.4 mm |
| Center Wavelength: | 6000 nm |
| Retardation: | Lambda/2, Lambda/4, Lambda, Other |
| Retardation Accuracy: | +/- Lambda/100 |
| Wavefront Distortion: | <= Lambda/4 |
| Surface Quality (Scratch-Dig): | 20-10 |
Download Data Sheet
Features
Material MgF2
Dimension Tolerance +0.0/-0.2mm
Wavefront Distortion <λ/4@632.8nm
Retardation Tolerance <λ/100
Parallelism(single plate) <5 arc seconds
Surface Quality 60/40 scratch and dig
Clear Aperture >90% central area
Standard Wave quarter-wave(λ/4), half-wave(λ/2)
Wavelength Range 2500-6000nm
AR Coating R<1%@central wavelength
Damage Threshold >1J/cm2, 20ns, 20Hz @1064nm
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