Gold Member Since 2014
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VY Optoelectronics Co., Ltd.

Optical Lens, Optical Wedge Lens, Znse Lens manufacturer / supplier in China, offering CVD Znse Optical Wedge Lens, Bk7/UV Grade Fused Silica Roof Prism/Amici Prism with Coating, Optical Fused Silica Glass Dia. 4.75mm Rod Lens and so on.

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Supplier Homepage Product optical crystal lenses CVD Znse Optical Wedge Lens

CVD Znse Optical Wedge Lens

Purchase Qty.:
10-999 1,000+
FOB Unit Price: US $50 US $2.9
Purchase Qty. (Pieces) FOB Unit Price
10-999 US $50
1,000+ US $2.9
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Port: Beijing, China
Production Capacity: 100000/Month
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: VYO-112
  • Type: Flat Lens
  • Shape: Single-lens
  • Lenses Color: Clear
  • Customized: Customized
  • Dimension: Customized
  • Tolerance: +/-0.01mm
  • Transport Package: as Requested
  • Origin: China
  • Usage: Lighting, Optical, Photography
  • Transmittance: 80%-90%
  • Material: Glass
  • Certification: RoHS, SGS, ISO9001
  • Coating: Customized
  • Surface Quality: 60/40
  • Trademark: VY
  • Specification: ISO 9001: 2008, RoHS
  • HS Code: 9001909090
Product Description
CVD Znse Optical Wedge Lens

VY Optics could manufacture varied ZnSe lens with different shape and dimension. Besides, we could also produce other IR material, for example, ZnS, CaF2, MgF2, sapphire, Ge, Silicon and so on. LT and LN are also available here.

(ZnSe) - transparent in wide spectral range from yellow (visible) to far IR. ZnSe material is a chemically inert, non-hygroscopic and highly pure product that is very effective in many optical applications due to its extremely low bulk losses, high resistance to thermal shock and stability in virtually all environments, easily machined. To obtain superior transmittance, ZnSe crystals are grown by Chemical Vapor Deposition process (CVD). Zinc Selenide CVD is polycrystalline material, demonstrates superior CO2 laser transmittance and is employed in the transmission optical components used in CO2 laser processing. ZnSe (Zinc Selenide) Chemical Vapor Deposition (CVD) material is produced by synthesis from zinc vapour and H2Se gas, forming as sheets on graphite susceptors (ZnSe-CVD processes). Chemical purity of CVD-ZnSe 99.999%. It has à polycrystalline structure; the grain size of Zinc Selenide CVD material is controlled to produce maximum strength. The transmission range of Zinc Selenide ZnSe-CVD is (0.5 - 20) microns. ZnSe CVD used for high power CO2 laser optics at 10.6 microns, for protective optics windows or optical elements in FLIR (forward looking infrared) thermal imaging equipment, optics for medical and industrial applications (optical plane parallel windows (plates, disks, sheets, slabs, blanks), wedged windows, Brewster windows, optical meniscus, spherical and cylindrical lenses, prisms, resonator mirrors of CO2 laser). Single crystal ZnSe Zinc Selenide is available, but is not common, it has lower bulk losses and thus more effective for CO2 optics.
ZnSe (ZINC SELENIDE) base properties
Density:5.27 g/cm3
Melting Point: 1525°C (dissociates about 700°C)
Thermal Conductivity: 18 W/(m K) at 298K
Thermal Expansion: 7.1 x 10-6/°C at 273K
Hardness Knoop: 120 with 50g indenter
Specific Heat Capacity: 339 J/(kg K)
Young's Modulus (E): 67.2 GPa
Bulk Modulus: (K) 40 GPa
Apparent Elastic Limit: 55.1 MPa (8,000psi)
Poisson Ratio: 0.28
Resistivity: ~1012 (Ohm x cm)
Chemical properties of Zinc Selenide ZnSe CVD
Solubility: 0.001 g/100g water
Molecular Weight: 144.33
Crystal Structure polycrystalline ZnSe (CVD) Laser grade, grain size (50-70) microns ZnSe (CVD) IR optical grade, grain size (20-100) microns
Transmission Range: 0.6 - 21.0 microns
Refractive Index: 2.4028 at 10 microns
Reflection Loss: 31.11% at 10.6 µm (2 surfaces)
dn/dT +61 x 10-6/°C at 10.6µm at 298K
dN/dµ = 0 5.5µm
Range of diameterDia.0.7mm-Dia.400mm
Range of curve radiusR1.5-R∞ etc.
Tolerance of diameter+/-0.1, +/-0.01, +/-0.005 etc.
Surface accuracyλ , 1/2λ , 1/4λ , 1/10λ  etc.
Tolerance of Thickness+/-0.1, +/-0.05, +/-0.01 etc.
Centration+/-2′,+/-1′ etc.
Aperture N5, 1 etc.
Irregularity ΔN2, 1, 0.5, 0.2 etc.
Surface quality60/40, 40/20, 20/10, 10/5 etc.

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