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Fixed Optical Rotators
Halbo Optics is closed for business - see Homepage
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When a plane polarized beam propagates down the optic axis of crystalline quartz, it is rotated clockwise or anti-clockwise (looking back into the beam), depending on whether the quartz is dextro- or laevo- rotatory. The rotation angle is determined by the product of specific optical rotary power (°/mm) and thickness (mm). Our optical rotators are a plane parallel window of synthetic crystal quartz with the c axis normal to the surface. Parallelism of the input/output surfaces is less than 3 minutes of arc.
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Custom Rotators
If the rotator you require is not listed in the specification table below, we can fabricate specials to order. When enquiring about a custom special, simply specify the aperture, rotation angle and wavelength of operation. Contact us at sales@halbo.com, and we will send you a quotation by return.
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Mounts
Optical rotators can be supplied unmounted as free components or mounted as shown. The mount comprises a black anodised aluminium ring with silicone rubber shock absorbing material between the ring and the rotator. To specify mounted rotators, simply add suffix:
M3 for Type 3 mount (shown)
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Specifications
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All Components
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Spectral Range (nm)
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190-2600
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Peak Transmission (%)
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94
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Model # 45° rotation
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Model # 90° rotation
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Aperture (mm)
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Wave- length (nm)
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Beam Dev. (min)
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Flatness @NaD
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Max Peak Power (MW/cm2)
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Max CW Power (W/cm2)
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Mount Dia. (mm)
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OR12-514-45
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OR12-514-90
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12
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514
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<3
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lambda/8
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200
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100
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25.4
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OR20-514-45
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OR20-514-90
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20
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514
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<3
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lambda/8
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200
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100
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31.8
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OR12-532-45
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OR12-532-90
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12
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532
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<3
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lambda/8
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200
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100
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25.4
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OR20-532-45
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OR20-532-90
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20
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532
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<3
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lambda/8
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200
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100
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31.8
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OR12-633-45
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OR12-633-90
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12
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633
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<3
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lambda/8
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200
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100
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25.4
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OR20-633-45
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OR20-633-90
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20
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633
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<3
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lambda/8
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200
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100
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31.8
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OR12-670-45
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OR12-670-90
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12
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670
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<3
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lambda/8
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200
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100
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25.4
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OR20-670-45
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OR20-670-90
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20
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670
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<3
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lambda/8
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200
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100
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31.8
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OR12-694-45
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OR12-694-90
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12
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694
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<3
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lambda/8
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200
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100
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25.4
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OR20-694-45
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OR20-694-90
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20
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694
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<3
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lambda/8
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200
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100
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31.8
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OR12-780-45
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OR12-780-90
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12
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780
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<3
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lambda/8
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200
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100
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25.4
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OR20-780-45
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OR20-780-90
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20
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780
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<3
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lambda/8
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200
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100
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31.8
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OR12-820-45
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OR12-820-90
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12
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820
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<3
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lambda/8
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200
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100
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25.4
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OR20-820-45
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OR20-820-90
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20
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820
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<3
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lambda/8
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200
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100
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31.8
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OR12-830-45
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OR12-830-90
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12
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830
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<3
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lambda/8
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200
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100
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25.4
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OR20-830-45
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OR20-830-90
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20
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830
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<3
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lambda/8
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200
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100
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31.8
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OR12-1064-45
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OR12-1064-90
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12
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1064
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<3
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lambda/8
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200
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100
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25.4
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OR20-1064-45
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OR20-1064-90
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20
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1064
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<3
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lambda/8
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200
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100
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31.8
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