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
Broadband and Narrowband Plate Beamsplitters
Front surface (S1) :Beamsplitters coating
Back surface (S2) :AR coating
10:90, 30:70, 50:50, 70:30, or 90:10 Split Ratios
product orgin:
Chinashipping port:
Fuzhou Chinapayment:
T/T Payment, Western Union
Broadband and Narrowband Non-Polarizing Plate Beamsplitters
Non-Polarizing Plate Beamsplitters can be used with high power laser. When using beamsplitter plates, it is important to bear in mind that the two partial beams travel different optical paths. And the optical paths depend on the incident angle and the thickness of plates.
Specification
Material:
BK7 grade A optical glass
Dimension Tolerance:
+0.2, -0.2mm
Thickness Tolerance:
±0.2mm
Surface quality:
60/40
Clear Aperture:
>85%
Flatness:
λ/4 per 25mm@633nm
Parallelism:
±1'
Bevel:
<0.25mm X 45°
Coating:
Front surface (S1) :Partial reflective coating
Back surface (S2) :AR coating
Reflectance/Transmittance R/T=50/50% ±5% ;
Other ratio is available (10:90, 20:80, 30:70, 40:60 or 50:50)
( R,T are the average of S- and P-pol) ,AOI= 45°
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)
1.0; 1.5; 2.0; 3.0; 4.0; 5.0; 6.0; 8.0; 10.0
YVO4 Birefringent Crystal
Undoped YVO 4 crystal is widely used in many beam displace online_orderings because of its large birefringence.
High Accuracy Corner Cube Prism
Retroreflectors (Corner Cube Prisms) reflect an image or beam back toward its original direction via three total internal reflections (TIR) 180° Reflection Inverts Image 3 arcsec Beam Deviation
High Precision Calcite Birefringent Crystals
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3).It's a negative uniaxial crystal and mostly used as visible and near IR polarizers. It has high birefringence, wide spectral transmission and availability in reasonably sized rhombs.
The Most Hard Material Windows Sapphire Windows
Sapphire Windows Transmission in 0.3-5.0μm, no absorption in 2-3μm Extremely hard and durable High thermal conductivity High bulk damage threshold
Optical Silver Coated Mirrors
Optical Silver Coated Mirrors Average Reflectance >90% from 400 nm to 20 µm Shape could be customized: Round, Square, Elliptical, Right angle prisms Material could be customized: Fused silica, Pyrex, N-BK7
High Presion Double Concave Lenses and Bi-concave Lenses
Double Concave Lenses, Bi-Concave Lenses is like the Plano-Concave lenses in that they are used to produce divergent light. The Bi-Concave is best used when the input beam is converging. 1. Supported by the Zemax Optical Design Package 2. Negative Focal Length 3. Material upon requirement
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