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  • 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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    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

  • IR Windows Calcium fluoride CaF2 Windows

    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

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30° - 60° - 90° Littrow Prisms

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30° - 60° - 90° Littrow Prisms

30° - 60° - 90° Littrow Prisms have two main applications.

1. Uncoated littrow dipersion prisms are used to disperse light into its component spectrum.

2. Coated littrow dipersion prisms are used to deviate the line of sight by 60°.




  • product orgin:

    China
  • shipping port:

    Fuzhou China
  • payment:

    T/T Payment, Western Union
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features

30° - 60° - 90° Littrow Prisms 

Ray Deviation of 60° If Coated
Ideal as a Dispersion Prism if Uncoated
Right Handed Image

Littrow Prisms have two main applications.
1. Uncoated littrow dipersion prisms are used to disperse light into its component spectrum. 
2. Coated littrow dipersion prisms are used to deviate the line of sight by 60°. Reflection coating at the long Right angle surfaces could be used one glasses for climbing and reading laid at the bed.




Specifications:
Material: N-BK7 ; UV Fused Silica ;other optical glass
Dimension Tolerance: ±0.1mm(Standard) ; ±0.05mm (High precision)
Surface quality: 60-40 S/D(Standard); 10-5 S/D(High precision)
Surface flatness: λ/4@632.8nm(Standard); λ/8@632.8nm(High Precision)
Deviation 180°: ±3 arc min(Standard); ±30 arc sec(High Precision)
Clear Aperture: >85% of dimension
Bevel: <0.25mm×45°
Coating: Reflecton coating, Ar coating etc. upon requirement



Different Shape, Glass, Coating requirement are available.

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If you have questions or suggestions,please leave us a message,we will reply you as soon as we can!

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