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Ultraviolet Transmissive Filter, UV Pass Filter, Optical Glass, Ug1
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Product: Views:39Ultraviolet Transmissive Filter, UV Pass Filter, Optical Glass, Ug1 
Unit price: Negotiable
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Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2017-08-20 09:48
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Description
Optical Glass Filters/Color Filters
Optical filters selectively transmit light in a particular range of wavelengths, that is, colours, while blocking the remainder. They can usually pass long wavelengths only (longpass), short wavelengths only (shortpass), or a band of wavelengths, blocking both longer and shorter wavelengths (bandpass). The passband may be narrower or wider; the transition or cutoff between maximal and minimal transmission can be sharp or gradual. There are filters with more complex transmission characteristic, for example with two peaks rather than a single band; these are more usually older designs traditionally used for photography; filters with more regular characteristics are used for scientific and technical work.
Ultraviolet glass Characteristic
Type Thickness
(mm)
A[2856k] D65 Chemical Stability ND α×10-7
(ºC)
Tg
(ºC)
Ts
(ºC)
S
x y Y x y Y DA DW
ZWB1 1 0.734 0.266 0.1 0.726 0.262 0.0 4 4 1.557 94 529 588 2.87
ZWB2 1 0.532 0.171 0.9 0.231 0.032 0.4 2 2 1.520 97 515 589 2.65
ZWB3 2 0.711 0.256 0.3 0.538 0.176 0.1 2 3 1.526 85 527 616 2.63
Technical Indexes
Type Thickness
(mm)
254
(nm)
280
(nm)
313
(nm)
334
(nm)
365
(nm)
405
(nm)
700
(nm
ZWB1 1
≥50.0 ≥81.0

≤1.0 ≤30.0
ZWB2 1

≥38.0
≥80.0 ≤8.0 ≤14.0
ZWB3 2 ≥50.0

≥86.0
≤28.8 ≤64.6
Class Of Bubble,Stripe,Stress
Type Bubble Stripe Stress
ZWB1 C 4 4
ZWB2 C 4 3
ZWB3 C 4

4


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