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A dome is an optical window composed of two parallel curved surfaces. Domes are commonly used in defence applications and often in extreme environments such as submersible ROVs.

For this reason our domes offer both high transmission as well as durability. Other applications for our domes include visible-range domes for pyranometers and infrared-range domes for pyrgeometers, and as high pressure viewports in underwater cameras and submersibles.

BK7 domes are available directly from stock, and are used primarily in meteorology applications. BK7 offers excellent transmission from 300nm up to 2µm. BK7 is a relatively hard material, with excellent chemical durability. Our custom BK7 domes are practically free from bubbles and inclusions, making them perfect for high performance visible applications.

Diameter tolerance (mm):
Thickness (mm):
Height (mm):
Surface finish:
Chamfers:
Centricity (mm):
+/-0.1
+/-0.1 (+/-0.2mm for 100mm diameter)
+/-0.2
60/40
0.2 x 45° typical
<0.1

Custom domes available from 5mm to over 200mm diameter.
Parts may be AR coated for improved transmission. Information on alternative coatings available on request.
Although typically manufactured from BK7, UV Fused Silica or Sapphire, other materials are available on request.
Domes may be manufactured with or without flanges for ease of installation.
Certain materials may be toughened to improve durability in harsh conditions as an alternative to sapphire.

6 Items

Name Outer Diameter (mm) Height (mm) Thickness (mm) Material Price Buy
WDB0100 100 50 4 BK7 or equivalent
$549.05
WDB0075 75 37.5 3 BK7 or equivalent
$423.95
WDB0060 60 30 5 BK7 or equivalent
$361.40
WDB0050 50 25 2 BK7 or equivalent
$319.70
WDB0030 30 15 2 BK7 or equivalent
$264.10
WDB0025 25 12.5 2 BK7 or equivalent
$250.20

6 Items

1

Dome Windows

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