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    Bk7 Optical Glass Protective Windows

  • Category:
    Optical Protective Window
  • Browse number:
    626
  • Release time:
    2019-04-15 15:35:14
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Bk7 Optical Glass Protective Windows 

HS-OPTICS offers windows of all kinds of materials and shapes

Shapes: square, circular, stepped, ellipse, ring, fan, trapezoid, triangle, conical, various special-shaped, etc.

Main material: BK7, B270, H-K9, fused silica, high borosilicate, sapphire, germanium and silicon, zinc selenide, calcium fluoride, magnesium fluoride and other kinds of high quality optical glass.

Windows are generally used as antireflection. And we can deposit windows according to customer requirements.

 

Technical parameters

Size range

0.5-1000mm

Size tolerance

+0.0/-0.2mm

Thickness tolerance

±0.1mm

Parallelism

10 seconds ~3 points

Surface accuracy

10/5~80/50

Surface quality

λ/10~λ/2

Clear aperture

90%

Bevelling

0.5mmx45°

Coating

AR coating or according to the customer request coating

 

Commonly used window material characteristics:

Material

Refractive index

Transmission range

Coefficient of thermal eapansion

Density (g/cm3)

H-K9

1.5164@546.1nm

330-2100nm

7.50

2.52

Fused silica

1.4586@546.1nm

185-2500nm

0.58

2.20

Borofloat33

1.4731@546.1nm

380-2100nm

3.30

2.20

Sapphire

1.7551@1000nm

180-4500nm

8.40

3.98

Germanium

4.0025@10000nm

2000-14000nm

5.5

5.33

Silicon

3.4258@5000nm

1200-7000nm

2.55

2.33

Znse

2.0428@10600nm

550-20000nm

7.6

5.27

Calcium fluoride

1.3989@5000nm

170-7800nm

18.85

3.18

Magnesium fluoride

1.3856@550nm

120-7000nm

8.48

3.17

 



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KEY WORDS

Optical Window,Optical Protective Window,Optical Prism,Optical Lens,Prism,Spherical Lens,Band Pass Filter,Laser Lens

CONTACT US

Phone:187-5254-8635
West Of Huacheng Road, Fangxiang Town, Hanjiang Dist., Yangzhou, Jiangsu, China