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Qinhuangdao Intrinsic Crystal Technology Co., Ltd.

CaF2 Ge Lif Mgf2 Si Lenses, CaF2 Calcium Fluoride, CaF2 Calcium Fluoride Lenses manufacturer / supplier in China, offering CaF2, Ge, Lif, Mgf2, Si Lenses, Single Layer Mgf2 Anti-Reflective Coatings, Multilayer Anti-Reflective Coatings and so on.

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CaF2, Ge, Lif, Mgf2, Si Lenses

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Beijing, China
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: D5~D300mm
  • Type: Cylindrical Dual-Focus Lens
  • Shape: Cylindrical Shaped Lens
  • Lenses Color: Clear
  • Customized: Customized
  • HS Code: 9001909090
  • Usage: Optical
  • Transmittance: >95%
  • Material: CaF2, Ge, Lif, Mgf2, Si
  • Certification: RoHS, SGS, ISO9001
  • Coating: Ar
Product Description

We provide a range of Crystal windows and lenses.


CaF2, Ge, Lif, Mgf2, Si Lenses

CaF2 Calcium Fluoride
CaF2 is a low index (1.40@4 microns) material which is used in a wide variety of commercial applications. In spectroscopy it is a substitute for SiO2 materials, fused quartz, fused silica, BK7, Suprasil, Infrasil, etc in near-IR application it is superior to these materials because it has no OH absorption to limit the accuracy of quantitative results. Since it is easy to limit the accuracy of quantitative reulsts. Since it is easy to polish to tight specifications it is the material of choice for near-IR beamsplitters and windows.
 
Advtanges

  1. No infrared impurity absorption bands
  2. Near Zero solubility in water
  3. No OH absorption
  4. Can be polished to extremely tight specifications
  5. Low index of refraction
  6. Relatively low cost as compared to SiO2
 
Disadvantages
  1. Limited spectral coverage in the mid-IR
  2. Slightly sensitive to thermal shock

Specifications

ParameterStandard
Diameter Tolerance:+0/-0.1 mm
Thickness Tolerance:+/-0.1 mm
Surface Figure at 632.8nm(over 85% dimension):λ
Parallism:+/-10 arc sec.
Surface Quality:40-20
Clear Aperture:> 90 % of dimensions

CaF2 Lenses

DiameterMaterialThicknessPart No.
Φ(mm)Namet(mm)Standard
6.55CaF21.00JTS 001
13.08CaF21.00JTS 002
12.70Ge1.00JTS 003
25.40Ge1.00JTS 004
6.55LiF1.00JTS 005
13.08LiF1.00JTS 006
6.55MaF21.00JTS 007
13.08MaF21.00JTS 008
12.70Si1.00JTS 009
25.40Si1.00JTS 010

Others

MaterialDiameter(mm)Thickness(mm)Surface Quality/Surface accuracy
PrecisionStandard
SiΦ3-Φ300----40/20λ/860/40λ/4
GeΦ3-Φ300----40/20λ/860/40λ/4
ZnSΦ3-Φ300----40/20λ/860/40λ/4
ZnSeΦ10-Φ100----40/20λ/860/40λ/4
GaAsΦ10-Φ100----40/20λ/860/40λ/4
MgF2Φ5-Φ100----40/20λ/860/40λ/4
CaF2Φ5-Φ100----40/20λ/860/40λ/4
LiFΦ5-Φ100----40/20λ/860/40λ/4
PbMO3Φ2-Φ60------------60/40λ/4
AMTIRΦ2-Φ60----40/20--------λ/4
YAGΦ3-Φ10----10/5λ/10--------
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