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
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
product orgin:
Chinashipping port:
Fuzhou Chinapayment:
T/T Payment, Western UnionIR Windows Magnesium Fluoride (MgF2) Windows
MgF2 has excellent transmission from deep in the ultraviolet region to the mid-infrared. MgF2 windows are extremely durable and introduce minimal aberrations. It is particularly useful for Excimer laser application.
MgF2 is one crystal with Orientation. WTS offer C-Axis and random Orientation MgF2 windows.
MgF2 Windows SPECIFICATION:
Material:
MgF2
Dimension Tolerance:
+0.0, -0.1mm
Thickness Tolerance:
± 0.1mm
Surface quality:
80/50
Clear Aperture:
>85%
Flatness:
λ per 25mm
Parallelism:
3'
Bevel:
<0.25mm X 45°
Coating:
Upon requirement
MgF2 Main Properties and Performance
Transmission range (μm)
0.11~7.5
Refractivity (0.7μm)
n0=1.37608 ne=1.38771
Reflection Loss at 0.6μm
5.2%(both faces)
Thermal expansion coefficient (℃-1)
13.7(//axis c), 8.9(⊥axis c)
Thermal conductivity at 300K (Wm-1K-1)
0.3
Knoop Hardness (kg/mm2)
415
Solubility (g/100gH2O·0℃)
0.0002
Density (g/cm3)
3.18
Melting Point (℃)
1255
|
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 |
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