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Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows
Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows
Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows
Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows
Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows
Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows
Specifications
Brand Name :
Wuhan Siwer Optics
Place of Origin :
Wuhan,China
MOQ :
100 pieces
Price :
6-15USD/piece
Payment Terms :
T/T, Western Union
Supply Ability :
3000 pieces/month
Delivery Time :
3-5 weeks
Packaging Details :
1.Tissue paper. 2.Plastic foam packaging film. 3.Hard carton box with quakeproof filler
Material :
Single Crystal Silicon
Diameter :
19+0/-0.1mm
Thickness :
1.5+/-0.1mm
Surface quality :
60/40
Surface flatness :
Lambda/4 in 25.4mm
Parallelism :
0.01mm
Standard coating :
AR/AR@4-4.5um,Tavg>96%
Usage :
Flame detector
Chamfer :
0.2mm
Description

Infrared flame detector Silicon windows

A flame detector usually needs to detect 4.4um infrared light. Our silicon protection window can not only cut off the interference light of visible light and near-infrared light, but also has a very competitive price.

Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows

Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows

Optical Properties of Silicon Window

Material Single Crystal Germanium
AR Coating Range 3-5um
Reflectance over
AR Coating Range @ 0° AOI

Ravg < 1.5%,3-5um
Transmission over
AR Coating Range @ 0° AOI		 Tavg > 97%,3-5um
Diameter Tolerance +0.0/-0.1 mm
Thickness Tolerance ±0.1 mm
Parallelism 3 arc min
Surface Quality 60-40 Scratch-Dig
Surface Flatness
(Plano Side)		 λ/2 at 633nm
Surface Irregularity
(Peak to Valley)		 λ/2 at 633nm
Clear Aperture >Ø10.16 mm (Ø1/2" Lenses)
>Ø20.32 mm (Ø1" Lenses)
Design Wavelength 10.6 μm


Silicon properties:

Chemical Formula
Si
Molecular Weight
28.09
Crystal Class
Cubic
Lattice Constant, Å
5.43
Density, g/cm3 at 293 K
2.329
Dielectric Constant for 9.37 x 109 Hz
13
Melting Point, K
1690
Thermal Conductivity, W/(m K)
at 125K
at 313K
at 400K

598.6
163
105.1
Thermal Expansion, 1/K
at 75K
at 293K
at 1400K

-0.5 x 10-6
2.6 x 10-6
4.6 x 10-6
Specific Heat, cal/(g K)
at 298K
at 1800K

0.18
0.253
Debye Temperature, K
640
Bandgap, eV
1.1
Solubility in water
None
Knoop Hardness, kg/mm2
1100
Mohs Hardness
7
Young's Modulus, GPa
130.91
Shear Modulus, GPa
79.92
Bulk Modulus, GPa
101.97
Poisson's Ratio
0.28

Infrared Elements Selection Guide

Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows

Procedure

Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows

What's the way of shipping?
We accept DHL, Fedex, TNT, UPS, SF, EMS etc. If you have your own express account, it's great.

How to pay?

(1) T/T, PayPal, West Union,etc

(2) Bank Fee: West Union-USD30.00(≤USD3000.00),

T/T-USD20.00+, PayPal-5%. Please consult the local bank.


What's the deliver time?
For inventory: the delivery time is around 5 workdays.

Customized products: the delivery time is 10 to 30 workdays. According to the quantity and precision.

Can I customize the products based on my need?
Yes, we can customize the material, specifications and optical coating for your optical components based on your needs. OEM is available.

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Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows

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Product Detail
Brand Name :
Wuhan Siwer Optics
Place of Origin :
Wuhan,China
MOQ :
100 pieces
Price :
6-15USD/piece
Payment Terms :
T/T, Western Union
Supply Ability :
3000 pieces/month
Contact Supplier
video
Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows
Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows
Antireflective Infrared Window , 3-5um Coated Infrared Flame Detector Silicon Windows

Wuhan Siwer Optics Co.,Ltd

Active Member
6 Years
hubei, wuhan
Business Type :
Manufacturer, Exporter, Seller
Main Products :
Optical Interference Filter, Bandpass Interference Filter, Long Pass Filter
Certification Level :
Active Member
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