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Home > Products > Optics > Diffraction Gratings > Plane Ruled Reflection Gratings

Plane Ruled Reflection Gratings
Plane Ruled Reflection Gratings

    • High efficiency at specified wavelengths
  • Extensive selection of groove frequencies ranging from 50 to 2400 g/mm
  • Aluminum and gold coatings available
  • Float glass substrate
  • 12.5, 25, and 50 mm square sizes

Product Description Catalog PDF
Product Description
Designed for first order Littrow use, Newport's plane ruled reflection gratings are blazed for specific wavelengths and generally have high efficiency at those wavelengths. Ruled gratings comprise the majority of diffraction gratings used in spectroscopic instrumentation and are especially useful in systems requiring high resolution.


Ordering Information
 Grooves per mm Nominal Wavelength 1st Order (Littrow) Nominal
Blaze Angle		 Coating Quantity Model Price Quantity Model Price Quantity Model Price
 12.5 x 12.5 x 6 mm 25 x 25 x 6 mm 50 x 50 x 6 mm
 2400 240 nm 16.8° Al  05RG2400-240-1   10RG2400-240-1   20RG2400-240-1 
 1800 400 nm 21.1° Al  05RG1800-400-1   10RG1800-400-1   20RG1800-400-1 
 1800 500 nm 26.7° Al  05RG1800-500-1   10RG1800-500-1   20RG1800-500-1 
 1200 200 nm 7° Al  05RG1200-200-1   10RG1200-200-1   20RG1200-200-1 
 1200 300 nm 10.4° Al  05RG1200-300-1   10RG1200-300-1   20RG1200-300-1 
 1200 400 nm 14° Al  05RG1200-400-1   10RG1200-400-1   20RG1200-400-1 
 1200 500 nm 17.5° Al  05RG1200-500-1   10RG1200-500-1   20RG1200-500-1 
 1200 600 nm 21° Al  05RG1200-600-1   10RG1200-600-1   20RG1200-600-1 
 1200 750 nm 26.7° Al  05RG1200-750-1   10RG1200-750-1   20RG1200-750-1 
 1200 1000 nm 36.8° Au  05RG1200-1000-2   10RG1200-1000-2   20RG1200-1000-2 
 600 300 nm 5.2° Al  05RG600-300-1   10RG600-300-1   20RG600-300-1 
 600 400 nm 7° Al  05RG600-400-1   10RG600-400-1   20RG600-400-1 
 600 500 nm 8.6° Al  05RG600-500-1   10RG600-500-1   20RG600-500-1 
 600 750 nm 13° Al  05RG600-750-1   10RG600-750-1   20RG600-750-1 
 600 800 nm 13.9° Al  05RG600-800-1   10RG600-800-1   20RG600-800-1 
 600 1000 nm 17.5° Au  05RG600-1000-2   10RG600-1000-2   20RG600-1000-2 
 600 1200 nm 22° Au  05RG600-1200-2   10RG600-1200-2   20RG600-1200-2 
 600 1600 nm 28.7° Au  05RG600-1600-2   10RG600-1600-2   20RG600-1600-2 
 600 1850 nm 34° Au  05RG600-1850-2   10RG600-1850-2   20RG600-1850-2 
 600 2700 nm 54° Au  05RG600-2700-2   10RG600-2700-2   20RG600-2700-2 
 300 300 nm 2.5° Al  05RG300-300-1   10RG300-300-1   20RG300-300-1 
 300 500 nm 4.3° Al  05RG300-500-1   10RG300-500-1   20RG300-500-1 
 300 760 nm 6.5° Al  05RG300-760-1   10RG300-760-1   20RG300-760-1 
 300 1000 nm 8.6° Au  05RG300-1000-2   10RG300-1000-2   20RG300-1000-2 
 300 1700 nm 14.6° Au  05RG300-1700-2   10RG300-1700-2   20RG300-1700-2 
 300 2000 nm 17.5° Au  05RG300-2000-2   10RG300-2000-2   20RG300-2000-2 
 300 3000 nm 26.7° Au  05RG300-3000-2   10RG300-3000-2   20RG300-3000-2 
 150 300 nm 1.2° Al  05RG150-300-1   10RG150-300-1   20RG150-300-1 
 150 500 nm 2.2° Al  05RG150-500-1   10RG150-500-1   20RG150-500-1 
 150 800 nm 3.4° Al  05RG150-800-1   10RG150-800-1   20RG150-800-1 
 150 1250 nm 5.4° Au  05RG150-1250-2   10RG150-1250-2   20RG150-1250-2 
 150 2000 nm 8.6° Au  05RG150-2000-2   10RG150-2000-2   20RG150-2000-2 
 150 4000 nm 17.5° Au  05RG150-4000-2   10RG150-4000-2   20RG150-4000-2 
 150 6000 nm 26.7° Au  05RG150-6000-2   10RG150-6000-2   20RG150-6000-2 
 50 600 nm 0.8° Al  05RG050-600-1   10RG050-600-1   20RG050-600-1 


Plane Ruled Reflection Grating, 1200 g/mm, 17.5° nominal blaze angle, 500 nm blaze wavelength, aluminum coating

Shown here is an example of an efficiency curve for our plane ruled reflection gratings. A complete set of curves are available on our website. Note: Many of these curves are relative (not absolute). They are only representative, and can vary significantly depending on use geometry and measurement technique. Two masters with the same catalog number may have different efficiency curves.
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