Gold Member Since 2017
Audited Supplier
Changchun Yutai Optics Co., Ltd.

Silicon Crystal, Optical Windows, Laser Windows manufacturer / supplier in China, offering Single Crystal Silicon, 1064nm YAG or Fibre Laser Cutting 1064nm Replacement Laser Lens Windows Mirrors, 2017 Diameter 25mm CO2 Mo Laser Mirror and so on.

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Single Crystal Silicon

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Port: Changchun, China
Production Capacity: 40000/Year
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Usage: Medical, Optical, Photography
  • Transmittance: >95%
  • Material: Optical Glass
  • Certification: RoHS
  • Coating: HMC
  • Polished: Yes
  • Transport Package: Box
  • Origin: Changchun
  • Type: Cylindrial
  • Shape: Single-lens
  • Lenses Color: Clear
  • Customized: Customized
  • Color: Transparent
  • Trademark: Yutai
  • Specification: 12.7mm
  • HS Code: 9001909090
Product Description
Si Crystal

Silicon is used as an optical window primarily in the 3 to 5 micron band and as a substrate for production of optical filters. It is frequently used for laser mirrors because of its high thermal conductivity and low density. Silicon is also useful as a transmitter in the 20 micron range. Large blocks wi th polished faces are also employed as targets in neutron physics experiments .Silicon is grown by Czochralski pulling techniques (CZ) and contains some oxygen which causes an absorption band at 9 microns. To avoid this, material can be prepared by a Float-Zone (FZ) process. Optical silicon is generally lightly doped ( 5 to 40 ohm cm) for best transmission above 10 microns. Silicon has a further pass band 30 to 100 microns which is effective only in very high resistivity uncompensated material.

Silicon (Si)

Single Crystal Silicon

 
BASE PROPERTIES
PARAMETER
VALUE
OPTICAL
 
Transmission Range
1.2 to 15 microns
Refractive Index
3.4223 at 5 microns
Reflection Loss
46.2% at 5 microns (2 surfaces)
Restrahlen Peak
1 x 10-3 cm-1 at 3 microns
dN/dT
160 x 10-6e/C
dN/d = 0
10.4m
PHYSICAL
 
Density
2.33 g/cm3
Melting Point
1420C
Thermal Conductivity
163.3 W/(m*K) at 273K
Thermal Expansion
4.15 x 10-6/C
Hardness
Knoop 1150
Specific Heat Capacity
703J/(kg K)
Dielectric Constant
13 at 10GHz
Young's Modulus (E)
131 GPa
Shear Modulus (G)
79.9 GPa
Bulk Modulus (K)
102 GPa
Elastic Coefficients
C11 = 167 C12 = 65 C44 = 80
Poisson Ratio
0.266
CHEMICAL
 
Solubility
Insoluble in water
Molecular Weight
28.09
Class/Structure
Cubic diamond, Fd3m
REFRACTIVE INDEX     
Wavelength, m
1.40
1.50
1.66
1.82
2.05
Refractive Index
3.94
3.48
3.47
3.46
3.46
 
 
 
 
 
 
Wavelength, m
2.50
3.50-5.00
6.00-25.00
  
Refractive Index
3.44
3.44
3.42

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Single Crystal Silicon


Factory information


Yutai Optics, we specialize in the design and volume manufacturing of high performance optical components such as lens,prisms,windows,filters,mirrors and more for use in optical instruments and laser systems, as well as for military, telecommunications,medical, environment monitoring industry.
Yu Tai Optics has quickly established itself as a leader in optical components from its advanced technology and quality control. 
Factory
Single Crystal Silicon

 
Packaging & Shipping

 1 Package Detail: A. Standard carbon and envelop with plastic foam.

                               B. Safety green carton.

                               C. Customized.

Single Crystal Silicon
 

2 Delivery Detail: Within 30 days.(Also depand on the quantity)


Single Crystal Silicon
 
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