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Description

Reflective ruled diffraction grating is a kind of optical glass substrate composed of dense, equidistant parallel lines, and the surface is coated with aluminized, multi-layer dielectric or other reflective film, which can separate white light into various components through diffraction effect or combine several different spectral beams into one(spectral beam combining-SBC grating). 

Reflective Ruled Diffraction Grating

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Specifications

Groove Density: 1170 l/mm
Substrate Material: Fused Silica
Dimension: Custom
Groove Density: up to 2400l/mm
Blaze Wavelength: 250-3400nm optional
Diffraction Efficiency: up to 99%@1065±20nm

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Features

  • High damage threshold
  • High diffraction efficiency
  • Wide effective wavelength range
  • Provide special model for spectral beam combining

Applications

  • Research: Ideal for separating white light into its component colors for detailed analysis.
  • Teaching: Useful in educational settings for demonstrating the principles of light diffraction and spectral separation.
  • Industrial Applications: Can be used in various industrial processes that require precise light manipulation and spectral analysis.
  • Spectral Beam Combining: Combines several different wavelength laser beams into one, enhancing laser power and efficiency.
  • Custom Production: Customizable for specific needs, including groove density, diffraction efficiency, damage threshold, and substrate material, making it suitable for specialized applications.

Frequently Asked Questions

What are Ruled Reflective Diffraction Gratings?
Ruled Reflective Diffraction Gratings are optical glass substrates composed of dense, equidistant parallel lines, coated with aluminized, multi-layer dielectric, or other reflective films. They can separate white light into various components through the diffraction effect or combine several different wavelength laser beams into one.
What are the dimensions available for these diffraction gratings?
The dimensions of these diffraction gratings can go up to 90mm with a dimension tolerance of ±0.5mm, and thickness up to 20mm.
What is the groove density range for these diffraction gratings?
The groove density for these diffraction gratings ranges from 120 to 2400 grooves per millimeter.
What is the absolute diffraction efficiency of these gratings?
The absolute diffraction efficiency of these gratings ranges from 60% to 98% at the blaze wavelength.
What materials are used for these diffraction gratings?
These diffraction gratings are made from optical glass and can be coated with bare aluminum, MLD, or custom coatings.
What is the damage threshold for these diffraction gratings?
The damage threshold for these diffraction gratings can go up to 70 kW/cm².
Can custom diffraction gratings be produced?
Yes, custom production is available, especially for spectral beam combining applications. The groove density, diffraction efficiency, damage threshold, and substrate material can be custom produced based on different applications and requests.

Got more questions? Use the inquiry form to ask the supplier directly.

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