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
product orgin:
Chinashipping port:
Fuzhou Chinapayment:
T/T Payment, Western Unionα-BBO Birefringent Crystals
High temperature phase of BaB2O4 is an excellent birefringent crystal; it is characterized by large birefringent coefficient and wide transmission window from 189nm to 3500nm, particularly it is suitable to make the high power UV polarizer, due to its unique UV transparency and good mechanical properties.
The physical, chemical, thermal and optical properties of α-BBO crystals are similar to those of β-BBO, for instant high optical homogeneity(better than 1x10-6/cm), extremely low absorption in the UV to IR range (<0.5% from 300-2300nm), low hygroscopic susceptibility, high damage threshold. However, the nonlinear optical properties of a -BBO is vanished due to the centric symmetry with its crystal structure.
α-BBO is an excellent crystal to replace Calcite, TiO2, and LiNbO3, etc. in Glan-Taylor and Glan-Thompson polarizers as well as walk-off beam splitters, especially for high power and UV polarizer, due to its unique UV transparency, good mechanical properties and high damage threshold.
α-BBO crystals SPECIFICATION:
Diameter:
Max 50mm
Length:
Max 35mm
Surface Quality:
20/10 Scratch/Dig
Beam Deviation:
< 3 arc min
Optical Axis Orientation:
+/-0.5deg
Flatness:
< λ/4 @632.8nm
Wavefront Distortion:
< λ/4 @632.8nm
Coating:
Upon Requirement
High Accuracy Coated Hollow Retroreflectors
Hollow Retroreflectors are constructed of three first-surface mirrors assembled by a proprietary process into a mutually-orthogonal inside corner. Incident Light is Reflected Back to the Source Hollow Lightweight Design
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
Optical High Precision Rhomboid Prisms
Rhomboid prisms are commonly used to displace a laser beam without changing its direction. Lateral Displacement of Beam Displaces Optical Axis Without Inverting Image
High Precision True Zero Order Waveplates
True Zero Order Waveplates 1. Constructed of a true zero order waveplate and a BK7 substrate.As the waveplate is very thin and easy to be damaged,the Bk7 plate's function is to strengthen the waveplate. 2. Single Plate
Optical Glass Plano-Concave Lenses
Plano-Concave Lenses have a negative focal length and is typically used to cause a collimated beam to diverge as in a Galilean type beam expander or Telescope. 1. Beam expansion 2. Light projection 3. Expanding an optical system’s focal length
High Presion Optical Step Windows
Custom step windows are ideal use in viewports, pressure, and vacuum situations. Sapphire step windows also make great viewports for deep ocean vehicles.
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