Wuhan Especial Optic.,INC
Contacts: David Liu
T: 86-027-87504830
WhatsApp: +86 18622556450
Email: David(at)wheo.cn
Website: www.wheo.cn
- Product Details
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Quick Details
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Place of Origin:
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Hubei, China
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Brand Name:
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Wuhan Especial Optic
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Model Number:
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Customization
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Product name:
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optical protective window
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Material:
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Sapphire, UVFS, BK7, CaF2
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Diameter:
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5-300mm
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Thickness:
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0.5-10mm
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Tolerance:
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±0.1mm
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Surface quality:
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60-40
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Clear aperture:
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90%
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Bevel:
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0.2-0.5mm X45°
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Coating:
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AR coating or uncoated
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Certificate:
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ISO9001
Quick Details
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Use:
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Optical
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Structure:
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plane, flat
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Shape:
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circular, rectangular, square or customized
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Place of Origin:
-
Hubei, China
-
Brand Name:
-
Wuhan Especial Optic
-
Model Number:
-
Customization
-
Product name:
-
optical protective window
-
Material:
-
Sapphire, UVFS, BK7, CaF2
-
Diameter:
-
5-300mm
-
Thickness:
-
0.5-10mm
-
Tolerance:
-
±0.1mm
-
Surface quality:
-
60-40
-
Clear aperture:
-
90%
-
Bevel:
-
0.2-0.5mm X45°
-
Coating:
-
AR coating or uncoated
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Certificate:
-
ISO9001
Product Description
Sapphire windows are ideal for vacuum chambers, submarine and other harsh environment applications. We provide sapphire windows and sapphire lenses according to customer's specifications.
*Sapphire windows catalog (including Rectangular sapphire windows)
*Sapphire optical lenses
*Sapphire blanks: random or C/A/M/R orientation
Please contact us us for quotation of your Sapphire windows or lenses. Our Sales Team will prepare an answer within 24 hours. If you do not see a suitable size in catalogue, write a request, we will make Sapphire windows according to your drawing at no additional cost. The largest dimensions of Sapphire window - Diameter 100mm. Rectangular Sapphire windows are also available.
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Sapphire optical properties
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Transmission Range
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0.17 to 5.5 μm
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Refractive Index
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No 1.75449; Ne 1.74663 at 1.06 μm (1)
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Crystal Class
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Cubic
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Reflection Loss
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14% at 1.06 μm
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Absorption Coefficient
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0.3 x 10-3 cm-1 at 2.4 μm (2)
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Reststrahlen Peak
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13.5 μm
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dn/dT
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13.1 x 10-6 at 0.546 μm (3)
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dn/dμ = 0
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1.5 μm
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Density
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3.97 g/cc
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Melting Point
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2040°C
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Thermal Conductivity
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27.21 W m-1 K-1 at 300K
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Thermal Expansion
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5.6 (para) & 5.0 (perp) x 10-6/K *
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Hardness
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Knoop 2000 with 2000g indenter
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Specific Heat Capacity
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763 J Kg-1 K-1 at 293K (4)
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Dielectric Constant
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11.5 (para) 9.4 (perp) at 1MHz
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Youngs Modulus (E)
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335 GPa
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Shear Modulus (G)
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148.1 GPa
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Bulk Modulus (K)
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240 GPa
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Elastic Coefficients
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C11=496 C12=164 C13=115 C33=498 C44=148
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Apparent Elastic Limit
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77.86300 MPa (45,000 psi)
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Poisson Ratio
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0.25
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Solubility
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98 x 10-6 g/100g water
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Molecular Weight
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101.96
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Class/Structure
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Trigonal (hex), R3c
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Our Company
Wuhan Especial Optic Inc.
Wuhan Especial Optic was founded in 2012, located in Wuhan East Lake High-tech Development Zone.
Especial Optic focuses on the design, development and production of infrared optical components and visible optical components, and is good at developing and producing kinds of infrared optical components of ultra high precision, ultra thin, very large, ultra small and customized service. The company has optical optimization design, precision optical processing and optical coating technology and production technology, with complete production processing and testing equipment, perfect quality management system.
After many years of unremitting efforts, Especial Optic has successfully produced a variety of special customized products and small batch infrared optical components, accumulated rich experience, we look forward to continue to provide more perfect service for our customers.
With continuous technological progress and management innovation, we will create more value and provide better products and services for our customers.
Our Service
a: Dimesion size : 5-300mm , thickness up to customer requirements
b: Many material could be choosed, like BK7, Fused Silica, Sapphire, MgF2, CaF2,Ge, Si, Znse,ZnS and so on.
c: AR HR DLC coating or as your request
d: Product shape : As required
For more visiting our website: www.wheo.cn
Our products
Packing & Delivery
Packing Details: Protective film or Capacitor paper,Pearl cotton,Cardboard box.
Delivery Details: 7 days for stock.
3-4 weeks for custom-made products for sample.
in common, 4 weeks for mass production
Contact us
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