• Bk7 Fused Silica Sapphire Windows Optical Windows
  • Bk7 Fused Silica Sapphire Windows Optical Windows
  • Bk7 Fused Silica Sapphire Windows Optical Windows
  • Bk7 Fused Silica Sapphire Windows Optical Windows
  • Bk7 Fused Silica Sapphire Windows Optical Windows
  • Bk7 Fused Silica Sapphire Windows Optical Windows

Bk7 Fused Silica Sapphire Windows Optical Windows

After-sales Service: After-Sale Service
Warranty: 12
Usage: Optical
Type: Flat Lens
Transmittance: >95%
Shape: Single-lens
Samples:
US$ 1/Piece 1 Piece(Min.Order)
| Request Sample
Gold Member Since 2018

Suppliers with verified business licenses

Rating: 5.0/5
Trading Company

Basic Info.

Model NO.
FW-Glass
Material
Optical Glass
Lenses Color
Clear
Customized
Customized
Size
Customized
Thickness
Customized
Growth Method
Ky
Transport Package
Box
Specification
customized
Trademark
FineWin
Origin
China
Production Capacity
60000 PCS/Month

Product Description

Calcium fluoride shows good optical and thermo-mechanical properties. It is widely used as optical windows, lenses and prisms in 0.13μm~9.0μm. For its optical isotropy, low absorption and low refractive index. CaF2 has found unique advantages in high power laser and UV laser optics.

Main Properties and Performance

Transmission range (μm)

0.13~9.0

Transmittance

>90% (0.3~7μm,3mm)

Refractivity(5μm)

1.39908

Expansion Coefficient (°C-1)

18.85×10-6

Knoop hardness (kg/mm2)

158.3(100)

Elastic Coefficients

C11=164;C12=53;C44=33.7

Young's modulus (GPa)

75.79

Poisson's ratio

0.28

Solubility (g/100gH2O·20°C)

0.0017

Cleavage plane

(111)

Density(g/cm3)

3.18

Melting Point(°C)

1360

 

The Specifications of Fluoride Optical Crystals
Material LiF CaF2 MgF2 BaF2
Largest Size/mm Φ 180 Φ 300 Φ 150 Φ 180
Transmission Range/μm 0.11-7.00 0.13-9.00 0.11-7.50 0.15-12.50
Refraction Index 1.3943/0.5um 1.39908/5μm n0=1.37608 ne=1.38771(0.7um) 1.4626(2.58um)
Reflection Loss 5.3%(both faces/0.5um) 5.6%/4μm 5.2%(both faces/0.6um) 6.8%(both faces/0.6um)
Expansion Ciefficeient/)   18.85×10-6 13.7(Iic),8.9(⊥c) 18.1×10-6
Thermal Conductivity/Wk-1K-1 11.3/314K 9.71 0.3/300K 11.72/286K
Knoop Hardness/kg·mm-2 99.1(100) 158.3(100) 415 82 with 500g indenter
Elastic Coefficients C11=97.4 C12=40.4 C44=55.4 C11=164 C12=53 C44=33.7 C11=104.2 C12=9.5 C44=56.8 C11=90.4 C12=40.6 C44=25.3
Young Modulus/Gpa 64.79 75.79 169.1   79.7 56.4
Solubility/g 0.27 0.0017 0.0002 0.0017
Cleavage Plane (100) (111)   (111)
Density/g/cm³ 2.639 3.18 3.18 4.89
Melting Point 870 1360 1255 1280
Application vacuum ultraviolet, ultraviolet, visible light and infrared light devices, Elements Of X Ray Diffraction, etc. optical windows, lenses and prisms, high power laser field, ultraviolet laser optics field, etc. optical windows, lenses and prisms, ultraviolet and infrared light optical systems, polarized optical devices, etc. ultraviolet, infrared optical windows, high energy physics field, nuclear physics and nuclear medicine fields, etc.


Bk7 Fused Silica Sapphire Windows Optical Windows
Bk7 Fused Silica Sapphire Windows Optical Windows
Overseas exhibition

Bk7 Fused Silica Sapphire Windows Optical WindowsBk7 Fused Silica Sapphire Windows Optical Windows

FAQ:

Q: What's the way of shipping and cost?

A:(1) We accept DHL, Fedex, TNT, UPS, EMS etc.

   (2) If you have your own express account, it's great.If not,we could help you ship them. 

 Q: How to pay?

A: T/T, Paypal, etc

Q: What's your MOQ?

A:  (1) For inventory, the MOQ is 5pcs.

   (2) For customized products, the MOQ is 10pcs-25pcs.

Q: What's the delivery time?

A:  (1) For the standard products

          For inventory: the delivery is 5 workdays after you place the order.

          For customized products: the delivery is 2 or 3 weeks after you place the order.

     (2) For the special-shaped products, the delivery is 4 or 6 workweeks after you place the order.

Q: Do you have standard products?

A: Our standard products in stock.

Q: Can I customize the products based on my need?

A: Yes, we can customize the material, specifications and optical coating for your optical components based on your needs.
 

 

Send your message to this supplier

*From:
*To:
*Message:

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now