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Polarizing Beam Splitters
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In conventional Glan Taylor polarizers with side window surfaces orthogonal to the entrance and exit surfaces, the rejected beam exits backwards at approximately 70° to the input beam. This can be modified to 90° by suitable adjustment of the inclination of the side window surface. This new 90° air spaced polarizing beam splitter then has the customary orthogonal geometry of conventional glass cube beam splitters. It provides true orthogonal beam splitting with high extinction ratio and high power handling capacity. Note that it is a bi-directional component.
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Mounts
These polarizers are supplied unmounted as free components unless mounting is specified at the time of ordering. The mount design gives open access to all three beams and facilitates occasional cleaning. To specify mounted polarizers, simply add suffix:
M1 for Type 1 mount (shown)
RM4 for Type 4 rotation mount
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Specifications
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Model #
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Aperture (mm)
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Spectral Range (nm)
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Peak Trans. (%)
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Extinc. Ratio
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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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Mount Length (mm)
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PBS7
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7
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220-2800
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88
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10-5
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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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29
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PBS10
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10
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220-2800
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88
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10-5
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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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32
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PBS12
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12
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220-2800
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88
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10-5
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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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34
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PBS15
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15
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220-2800
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88
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10-5
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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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38
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PBS20
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20
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220-2800
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88
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10-5
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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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38.1
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44
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