Bandpass filter plate are divided into short-pass and long-pass filters according to whether they transmit below or above the transition wavelength. The transition wavelength or cut-on/off wavelength is the wavelength at which the transmission is 50% of its peak value.
Specifications:
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Material:
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N-BK7 ;Fused silica
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Dimension Tolerance:
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+0.0, -0.1mm
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Thickness Tolerance:
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±0.1mm
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Surface quality:
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60/40
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Clear Aperture:
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>85%
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Parallelism:
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λ /4 per 25mm@633nm
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Bevel:
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±3'
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Coating:
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One surface(S1) :HR & HT
The other surface(S2):Upon requirement |