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Equilateral Triangle Dispersive Prism

Categories Optical Glass Prism
Brand Name: Wuhan Siwer Optics
Model Number: Dispersion Prism
Place of Origin: Wuhan,China
MOQ: 10 pieces
Price: 20-80 USD/piece
Payment Terms: T/T, Western Union
Supply Ability: 1000 pieces/month
Delivery Time: 4-6weeks
Packaging Details: 1.Tissue paper. 2.Plastic foam packaging film. 3.Hard carton box with quakeproof filler
Material: N-BK7 or other optical glass
Size tolerance: +/-0.1mm
Chamfer: 0.2-0.5mm
Surface quality: 60/40
Surface flatness: Lambda/2 in 25.4mm
Angle Tolerance: 3 arc min
Coating: uncoated or Customized
Size range: 5-150mm
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    Equilateral Triangle Dispersive Prism

    equilateral triangle dispersive optical prisms

    Dispersive prism

    In optics, a dispersive prism is an optical prism, usually having the shape of a geometrical triangular prism, used as a spectroscopic component. Spectral dispersion is the best known property of optical prisms, although not the most frequent purpose of using optical prisms in practice. Triangular prisms are used to disperse light, that is, to break light up into its spectral components (the colors of the rainbow). Different wavelengths (colors) of light will be deflected by the prism at different angles, producing a spectrum on a detector (or seen through an eyepiece). This is a result of the prism's material (often, but not always, a glass) index of refraction varying with wavelength. By application of Snell's law, one can see that as the wavelength changes, and the refractive index changes, the deflection angle of a light beam will change, separating the colors (wavelength components) of the light spatially. Generally, longer wavelengths (red) thereby undergo a smaller deviation than shorter wavelengths (blue) where the refractive index is larger.

    A good mathematical description of single-prism dispersion is given by Born and Wolf. The case of multiple-prism dispersion is treated by Duarte.



     Main Specs of Equilateral Dispersive Prisms
     Factory price equilateral triangle dispersion optical prismsProduct Name  Equilateral Dispersive Prisms
    Diameter &Tolerance 3-150±0.02mm 
     Angle Tolerance ±30 Arc Seconds
    Thickenss &Tolerance3-100±0.05mm 
     Surface Flatness1/4 L @632.8nm 
     Surface Quality 20-10
     MaterialBK7/quartz/sapphire/Ge/CaF2/ZnSe 
     Beveling0.35±0.1mm 
     CoatingAR coatimg
    Reflective coating
    Dichroic coating



    Production Line


    Related Prisms


    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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