UV Fused Silica Optical Windows

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Overview

UV Fused Silica Windows feature low distortion, excellent parallelism, low bulk scattering and fine surface quality. This makes them perfectly suited for a wide variety of demanding applications, including multiphoton imaging systems and intracavity laser applications.

Extremely low bulk scatter and autofluorescence
Available in high flatness λ/20 or general purpose λ/10
<30 arc-second parallelism
Fine, low scatter surface up to 10-5 scratch-dig
Broadband AR coatings for UV, visible or IR applications

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Products

Compare	Model	Compatibility	rankScore	Diameter	Antireflection Coating	Thickness	Surface Flatness	Surface Quality	Availability	Price	Brand
05QW40-30 Parallel Optical Window, UV Fused Silica, 12.7 mm, ≤λ/20, Uncoated $139 Show	05QW40-30 Parallel Optical Window, UV Fused Silica, 12.7 mm, ≤λ/20, Uncoated	UNIVERSAL	1.0	12.7 mm	Uncoated	6.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$139	Newport
05QW40-30AR.10 Parallel Optical Window, UV Fused Silica, 12.7 mm, ≤λ/20, 245-440 nm $172 Show	05QW40-30AR.10 Parallel Optical Window, UV Fused Silica, 12.7 mm, ≤λ/20, 245-440 nm	UNIVERSAL	1.0	12.7 mm	245-440 nm	6.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$172	Newport
05QW40-30AR.14 Parallel Optical Window, UV Fused Silica, 12.7 mm, ≤λ/20, 430-700 nm $146 Show	05QW40-30AR.14 Parallel Optical Window, UV Fused Silica, 12.7 mm, ≤λ/20, 430-700 nm	UNIVERSAL	1.0	12.7 mm	430-700 nm	6.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$146	Newport
05QW40-30AR.16 Parallel Optical Window, UV Fused Silica, 12.7 mm, ≤λ/20, 650-1000nm $162 Show	05QW40-30AR.16 Parallel Optical Window, UV Fused Silica, 12.7 mm, ≤λ/20, 650-1000nm	UNIVERSAL	1.0	12.7 mm	650-1000 nm	6.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$162	Newport
05QW40-30AR.18 Parallel Optical Window, UV Fused Silica, 12.7mm, ≤λ/20, 1000-1550nm $162 Show	05QW40-30AR.18 Parallel Optical Window, UV Fused Silica, 12.7mm, ≤λ/20, 1000-1550nm	UNIVERSAL	1.0	12.7 mm	1000-1550 nm	6.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$162	Newport
10QW40-30 Optical Window, Parallel, UV Fused Silica, 25.4 mm, ≤λ/20, Uncoated $191 Show	10QW40-30 Optical Window, Parallel, UV Fused Silica, 25.4 mm, ≤λ/20, Uncoated	UNIVERSAL	1.0	25.4 mm	Uncoated	6.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$191	Newport
10QW40-30AR.10 Optical Window, Parallel, UVFS, 25.4 mm,≤λ/20, 245-440 nm $230 Show	10QW40-30AR.10 Optical Window, Parallel, UVFS, 25.4 mm,≤λ/20, 245-440 nm	UNIVERSAL	1.0	25.4 mm	245-440 nm	6.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$230	Newport
10QW40-30AR.14 Optical Window, Parallel, UVFS, 25.4 mm, ≤λ/20, 430-700 nm $202 Show	10QW40-30AR.14 Optical Window, Parallel, UVFS, 25.4 mm, ≤λ/20, 430-700 nm	UNIVERSAL	1.0	25.4 mm	430-700 nm	6.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$202	Newport
10QW40-30AR.16 Optical Window, Parallel, UVFS, 25.4 mm, ≤λ/20, 650-1000 nm $216 Show	10QW40-30AR.16 Optical Window, Parallel, UVFS, 25.4 mm, ≤λ/20, 650-1000 nm	UNIVERSAL	1.0	25.4 mm	650-1000 nm	6.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$216	Newport
10QW40-30AR.18 Optical Window, Parallel, UVFS, 25.4 mm, ≤λ/20, 1000-1550 nm $216 Show	10QW40-30AR.18 Optical Window, Parallel, UVFS, 25.4 mm, ≤λ/20, 1000-1550 nm	UNIVERSAL	1.0	25.4 mm	1000-1550 nm	6.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$216	Newport
20QW40-30 Parallel Optical Window, UV Fused Silica, 50.8 mm, λ/20, Uncoated $433 Show	20QW40-30 Parallel Optical Window, UV Fused Silica, 50.8 mm, λ/20, Uncoated	UNIVERSAL	1.0	50.8 mm	Uncoated	10.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$433	Newport
20QW40-30AR.10 Parallel Optical Window, UV Fused Silica, 50.8 mm, λ/20, 245-440 nm $495 Show	20QW40-30AR.10 Parallel Optical Window, UV Fused Silica, 50.8 mm, λ/20, 245-440 nm	UNIVERSAL	1.0	50.8 mm	245-440 nm	10.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$495	Newport
20QW40-30AR.14 Parallel Optical Window, UV Fused Silica, 50.8 mm, λ/20, 430-700 nm $450 Show	20QW40-30AR.14 Parallel Optical Window, UV Fused Silica, 50.8 mm, λ/20, 430-700 nm	UNIVERSAL	1.0	50.8 mm	430-700 nm	10.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$450	Newport
20QW40-30AR.16 Parallel Optical Window, UV Fused Silica, 50.8 mm, λ/20, 650-1000 nm $473 Show	20QW40-30AR.16 Parallel Optical Window, UV Fused Silica, 50.8 mm, λ/20, 650-1000 nm	UNIVERSAL	1.0	50.8 mm	650-1000 nm	10.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$473	Newport
20QW40-30AR.18 Parallel Optical Window, UV Fused Silica, 50.8mm, λ/20, 1000-1550 nm $473 Show	20QW40-30AR.18 Parallel Optical Window, UV Fused Silica, 50.8mm, λ/20, 1000-1550 nm	UNIVERSAL	1.0	50.8 mm	1000-1550 nm	10.0 mm	λ/20 @ 632.8 nm	10-5 scratch-dig	Show	$473	Newport
FSW10 Parallel Optical Window, UV Fused Silica, 5.0 mm, λ/10, Uncoated $130 Show	FSW10 Parallel Optical Window, UV Fused Silica, 5.0 mm, λ/10, Uncoated	UNIVERSAL	1.0	5.0 mm	Uncoated	1.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$130	Newport
FSW10AR.10 Parallel Optical Window, UV Fused Silica, 5.0 mm, λ/10, 250-450 nm $145 Show	FSW10AR.10 Parallel Optical Window, UV Fused Silica, 5.0 mm, λ/10, 250-450 nm	UNIVERSAL	1.0	5.0 mm	250-450 nm	1.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$145	Newport
FSW10AR.14 Parallel Optical Window, UV Fused Silica, 5.0 mm, λ/10, 425-675 nm $145 Show	FSW10AR.14 Parallel Optical Window, UV Fused Silica, 5.0 mm, λ/10, 425-675 nm	UNIVERSAL	1.0	5.0 mm	425-675 nm	1.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$145	Newport
FSW10AR.15 Parallel Optical Window, UV Fused Silica, 5.0 mm, λ/10, 250-700 nm $145 Show	FSW10AR.15 Parallel Optical Window, UV Fused Silica, 5.0 mm, λ/10, 250-700 nm	UNIVERSAL	1.0	5.0 mm	250-700 nm	1.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$145	Newport
FSW11 Parallel Optical Window, UV Fused Silica, 10.0 mm, λ/10, Uncoated $116 Show	FSW11 Parallel Optical Window, UV Fused Silica, 10.0 mm, λ/10, Uncoated	UNIVERSAL	1.0	10.0 mm	Uncoated	1.3 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$116	Newport
FSW11AR.10 Parallel Optical Window, UV Fused Silica, 10.0 mm, λ/10, 250-450 nm $136 Show	FSW11AR.10 Parallel Optical Window, UV Fused Silica, 10.0 mm, λ/10, 250-450 nm	UNIVERSAL	1.0	10.0 mm	250-450 nm	1.3 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$136	Newport
FSW11AR.14 Parallel Optical Window, UV Fused Silica, 10.0 mm, λ/10, 425-675 nm $136 Show	FSW11AR.14 Parallel Optical Window, UV Fused Silica, 10.0 mm, λ/10, 425-675 nm	UNIVERSAL	1.0	10.0 mm	425-675 nm	1.3 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$136	Newport
FSW11AR.15 Parallel Optical Window, UV Fused Silica, 10.0 mm, λ/10, 250-700 nm $136 Show	FSW11AR.15 Parallel Optical Window, UV Fused Silica, 10.0 mm, λ/10, 250-700 nm	UNIVERSAL	1.0	10.0 mm	250-700 nm	1.3 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$136	Newport
FSW12 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, Uncoated $117 Show	FSW12 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, Uncoated	UNIVERSAL	1.0	12.5 mm	Uncoated	1.5 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$117	Newport
FSW12AR.10 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, 250-450 nm $138 Show	FSW12AR.10 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, 250-450 nm	UNIVERSAL	1.0	12.5 mm	250-450 nm	1.5 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$138	Newport
FSW12AR.14 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, 425-675 nm $138 Show	FSW12AR.14 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, 425-675 nm	UNIVERSAL	1.0	12.5 mm	425-675 nm	1.5 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$138	Newport
FSW12AR.15 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, 250-700 nm $138 Show	FSW12AR.15 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, 250-700 nm	UNIVERSAL	1.0	12.5 mm	250-700 nm	1.5 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$138	Newport
FSW13 Parallel Optical Window, UV Fused Silica, 15.0 mm, λ/10, Uncoated $133 Show	FSW13 Parallel Optical Window, UV Fused Silica, 15.0 mm, λ/10, Uncoated	UNIVERSAL	1.0	15.0 mm	Uncoated	2.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$133	Newport
FSW13AR.10 Parallel Optical Window, UV Fused Silica, 15.0 mm, λ/10, 250-450 nm $151 Show	FSW13AR.10 Parallel Optical Window, UV Fused Silica, 15.0 mm, λ/10, 250-450 nm	UNIVERSAL	1.0	15.0 mm	250-450 nm	2.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$151	Newport
FSW13AR.14 Parallel Optical Window, UV Fused Silica, 15.0 mm, λ/10, 425-675 nm $151 Show	FSW13AR.14 Parallel Optical Window, UV Fused Silica, 15.0 mm, λ/10, 425-675 nm	UNIVERSAL	1.0	15.0 mm	425-675 nm	2.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$151	Newport
FSW13AR.15 Parallel Optical Window, UV Fused Silica, 15.0 mm, λ/10, 250-700 nm $151 Show	FSW13AR.15 Parallel Optical Window, UV Fused Silica, 15.0 mm, λ/10, 250-700 nm	UNIVERSAL	1.0	15.0 mm	250-700 nm	2.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$151	Newport
FSW14 Parallel Optical Window, UV Fused Silica, 20.0 mm, λ/10, Uncoated $139 Show	FSW14 Parallel Optical Window, UV Fused Silica, 20.0 mm, λ/10, Uncoated	UNIVERSAL	1.0	20.0 mm	Uncoated	2.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$139	Newport
FSW14AR.10 Parallel Optical Window, UV Fused Silica, 20.0 mm, λ/10, 250-450 nm $162 Show	FSW14AR.10 Parallel Optical Window, UV Fused Silica, 20.0 mm, λ/10, 250-450 nm	UNIVERSAL	1.0	20.0 mm	250-450 nm	2.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$162	Newport
FSW14AR.14 Parallel Optical Window, UV Fused Silica, 20.0 mm, λ/10, 425-675 nm $162 Show	FSW14AR.14 Parallel Optical Window, UV Fused Silica, 20.0 mm, λ/10, 425-675 nm	UNIVERSAL	1.0	20.0 mm	425-675 nm	2.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$162	Newport
FSW14AR.15 Parallel Optical Window, UV Fused Silica, 20.0 mm, λ/10, 250-700 nm $162 Show	FSW14AR.15 Parallel Optical Window, UV Fused Silica, 20.0 mm, λ/10, 250-700 nm	UNIVERSAL	1.0	20.0 mm	250-700 nm	2.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$162	Newport
FSW15 Parallel Optical Window, UV Fused Silica, 25.0 mm, λ/10, Uncoated $147 Show	FSW15 Parallel Optical Window, UV Fused Silica, 25.0 mm, λ/10, Uncoated	UNIVERSAL	1.0	25.0 mm	Uncoated	3.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$147	Newport
FSW15AR.10 Parallel Optical Window, UV Fused Silica, 25.0 mm, λ/10, 250-450 nm $167 Show	FSW15AR.10 Parallel Optical Window, UV Fused Silica, 25.0 mm, λ/10, 250-450 nm	UNIVERSAL	1.0	25.0 mm	250-450 nm	3.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$167	Newport
FSW15AR.14 Parallel Optical Window, UV Fused Silica, 25.0 mm, λ/10, 425-675 nm $167 Show	FSW15AR.14 Parallel Optical Window, UV Fused Silica, 25.0 mm, λ/10, 425-675 nm	UNIVERSAL	1.0	25.0 mm	425-675 nm	3.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$167	Newport
FSW15AR.15 Parallel Optical Window, UV Fused Silica, 25.0 mm, λ/10, 250-700 nm $167 Show	FSW15AR.15 Parallel Optical Window, UV Fused Silica, 25.0 mm, λ/10, 250-700 nm	UNIVERSAL	1.0	25.0 mm	250-700 nm	3.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$167	Newport
FSW16 Parallel Optical Window, UV Fused Silica, 30.0 mm, λ/10, Uncoated $174 Show	FSW16 Parallel Optical Window, UV Fused Silica, 30.0 mm, λ/10, Uncoated	UNIVERSAL	1.0	30.0 mm	Uncoated	4.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$174	Newport
FSW16AR.10 Parallel Optical Window, UV Fused Silica, 30.0 mm, λ/10, 250-450 nm $200 Show	FSW16AR.10 Parallel Optical Window, UV Fused Silica, 30.0 mm, λ/10, 250-450 nm	UNIVERSAL	1.0	30.0 mm	250-450 nm	4.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$200	Newport
FSW16AR.14 Parallel Optical Window, UV Fused Silica, 30.0 mm, λ/10, 425-675 nm $200 Show	FSW16AR.14 Parallel Optical Window, UV Fused Silica, 30.0 mm, λ/10, 425-675 nm	UNIVERSAL	1.0	30.0 mm	425-675 nm	4.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$200	Newport
FSW16AR.15 Parallel Optical Window, UV Fused Silica, 30.0 mm, λ/10, 250-700 nm $200 Show	FSW16AR.15 Parallel Optical Window, UV Fused Silica, 30.0 mm, λ/10, 250-700 nm	UNIVERSAL	1.0	30.0 mm	250-700 nm	4.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$200	Newport
FSW17 Parallel Optical Window, UV Fused Silica, 40.0 mm, λ/10, Uncoated $201 Show	FSW17 Parallel Optical Window, UV Fused Silica, 40.0 mm, λ/10, Uncoated	UNIVERSAL	1.0	40.0 mm	Uncoated	4.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$201	Newport
FSW17AR.10 Parallel Optical Window, UV Fused Silica, 40.0 mm, λ/10, 250-450 nm $224 Show	FSW17AR.10 Parallel Optical Window, UV Fused Silica, 40.0 mm, λ/10, 250-450 nm	UNIVERSAL	1.0	40.0 mm	250-450 nm	4.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$224	Newport
FSW17AR.14 Parallel Optical Window, UV Fused Silica, 40.0 mm, λ/10, 425-675 nm $224 Show	FSW17AR.14 Parallel Optical Window, UV Fused Silica, 40.0 mm, λ/10, 425-675 nm	UNIVERSAL	1.0	40.0 mm	425-675 nm	4.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$224	Newport
FSW17AR.15 Parallel Optical Window, UV Fused Silica, 40.0 mm, λ/10, 250-700 nm $224 Show	FSW17AR.15 Parallel Optical Window, UV Fused Silica, 40.0 mm, λ/10, 250-700 nm	UNIVERSAL	1.0	40.0 mm	250-700 nm	4.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$224	Newport
FSW18 Parallel Optical Window, UV Fused Silica, 50.0 mm, λ/10, Uncoated $252 Show	FSW18 Parallel Optical Window, UV Fused Silica, 50.0 mm, λ/10, Uncoated	UNIVERSAL	1.0	50.0 mm	Uncoated	5.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$252	Newport
FSW18AR.10 Parallel Optical Window, UV Fused Silica, 50.0 mm, λ/10, 250-450 nm $273 Show	FSW18AR.10 Parallel Optical Window, UV Fused Silica, 50.0 mm, λ/10, 250-450 nm	UNIVERSAL	1.0	50.0 mm	250-450 nm	5.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$273	Newport
FSW18AR.14 Parallel Optical Window, UV Fused Silica, 50.0 mm, λ/10, 425-675 nm $273 Show	FSW18AR.14 Parallel Optical Window, UV Fused Silica, 50.0 mm, λ/10, 425-675 nm	UNIVERSAL	1.0	50.0 mm	425-675 nm	5.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$273	Newport
FSW18AR.15 Parallel Optical Window, UV Fused Silica, 50.0 mm, λ/10, 250-700 nm $273 Show	FSW18AR.15 Parallel Optical Window, UV Fused Silica, 50.0 mm, λ/10, 250-700 nm	UNIVERSAL	1.0	50.0 mm	250-700 nm	5.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$273	Newport
FSW19AR.10 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, 250-425 nm, 2 mm $205 Show	FSW19AR.10 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, 250-425 nm, 2 mm	UNIVERSAL	1.0	12.5 mm	250-425 nm	2.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$205	Newport
FSW19AR.14 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, 425-675 nm, 2 mm $195 Show	FSW19AR.14 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, 425-675 nm, 2 mm	UNIVERSAL	1.0	12.5 mm	425-675 nm	2.00 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$195	Newport
FSW19AR.15 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, 250-700 nm, 2 mm $174 Show	FSW19AR.15 Parallel Optical Window, UV Fused Silica, 12.5 mm, λ/10, 250-700 nm, 2 mm	UNIVERSAL	1.0	12.5 mm	250-700 nm	2.0 mm	λ/10 @ 632.8 nm	20-10 scratch-dig	Show	$174	Newport

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Features

UV Fused Silica for UV, Laserline & Broadband Applications

UV Grade Fused Silica is synthetic amorphous silicon dioxide of extremely high purity providing maximum transmission from 195 to 2100 nm. This non-crystalline, colorless silica glass combines a very low thermal expansion coefficient with good optical qualities, and excellent transmittance in the ultraviolet region. Transmission and homogeneity exceed those of crystalline quartz without the problems of orientation and temperature instability inherent in the crystalline form. It will not fluoresce under UV light and is resistant to radiation. For high-energy applications, the extreme purity of fused silica eliminates microscopic defect sites that could lead to laser damage. Compared with other optical glasses (like N-BK7), UV Fused Silica has very low autofluoresence and scattering.