Made from BK7 material, which has transparent range from 330-2100nm. The refractive index is 1.5168 at 587.6nm. The BK7 window has good performance over visible and near IR spectrum for most application.
Achromatic Waveplate Achromatic Waveplates(Retarders), AWP is composed of one piece of Crystal Quartz and one piece of Magnesium Fluoride, MgF2.
Barium fluoride (BaF2) shows good optical transmission over UV-IR windows in 0.15μm~12.5μm.
MgF2 windows are used in the UV, visible and IR ranges, with approximately 94% transmission from 200 - 1000 nm, and approximately 95% transmission from 1-6µm
CaF2 has transparent range from 170-7800nm. The refractive index is 1.399 at 5000nm. 1. Low absorption coefficient 2. High damage threshold, 3. Low Dispersion (with an Abbe Number of 95) 4. Low fluorescence 5. Excellent water, chemical, and heat resistance
Made from BK7 material, which has transparent range from 330-2100nm. The refractive index is 1.5168 at 587.6nm. The BK7 window has good performance over visible and near IR spectrum for most application.
product orgin:
Chinashipping port:
Fuzhou Chinapayment:
T/T Payment, Western UnionN-BK7 Windows and H-K9L Windows
Made from BK7 material, which has transparent range from 330-2100nm. The refractive index is 1.5168 at 587.6nm. The BK7 window has good performance over visible and near IR spectrum for most application.
H-K9L is the equivalent material to N-BK7. N-BK7 is made of by Schott Germany, H-K9L is made by CDGM China.
H-K9L products price is better than N-BK7.
WTS could make customized N-BK7 or H-K9L windows products
N-BK7 Windows and H-K9L Windows SPECIFICATION:
Material:
BK7 grade A optical glass or H-K9L
Dimension Tolerance:
+0.0, -0.1mm
Thickness Tolerance:
± 0.1mm
Surface quality:
60/40(Standard), 10/5(High Precision)
Clear Aperture:
>85%
Flatness:
λ(Standard), λ/10(High Precision) per 25mm@633nm
Parallelism:
1' (Standard), 10" (High Precision)
Bevel:
<0.25mm X 45°
Coating:
Upon requirement
Typical Sizes:
Round Shape
Φ5.0; Φ10.0 ; Φ12.7; Φ15.0; Φ20.0;
Diameter(mm):
Φ25.4; Φ30.0; Φ38.1; Φ50.8; Φ76.2
Square Shape:
5.0x5.0 ; 10.0x10.0 ; 15.0x15.0 ;
WxH(mm)
20.0x20.0; 25.0x25.0; 50.0x50.0
Thickness(mm):
0.5; 1.0; 1.5; 2.0; 3.0;
4.0; 5.0; 6.0; 8.0; 10.0
N-BK7 Windows and H-K9L Windows
Made from BK7 material, which has transparent range from 330-2100nm. The refractive index is 1.5168 at 587.6nm. The BK7 window has good performance over visible and near IR spectrum for most application.
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