Dimensional Tolerance (mm): ±0.1
Thickness (mm): 6.0
Thickness Tolerance (mm): ±0.5
Substrate: Float Glass
Clear Aperture (%): >90
Refl ected Wavefront, RMS: λ/4
Visit www.edmundoptics.co.uk/Richardson for
downloadable individual effi ciency curves
www.edmundoptics.co.uk | 33
Richardson Gratings™ High Precision
Refl ective Diffraction Gratings
EO ADVANTAGE:
• Excellent Diffraction Effi ciency
• Wavelength Options from Ultraviolet to Infrared
• Ruled and Holographic Designs Available
Richardson Gratings™ High Precision Refl ective Holographic Diffraction Gratings
Grooves/
Wavelength
mm
Range
(nm)
Blaze
Wavelength
(nm)
12.7 x 12.7mm 25 x 25mm 30 x 30mm
Stock No. Price Stock No. Price Stock No. Price
1200 400 - 1200 700 #15-745 £110.70 #15-746 £135.30 #15-747 £143.50
1800 190 - 900 250 #15-748 £110.70 #15-749 £135.30 #15-750 £143.50
1800 250 - 900 450 #15-751 £110.70 #15-752 £135.30 #15-753 £143.50
2400 200 - 800 270 #15-754 £110.70 #15-755 £135.30 #15-756 £143.50
2400 150 - 800 250 #15-757 £110.70 #15-758 £135.30 #15-759 £143.50
Richardson Gratings™ High Precision Plane Ruled Refl ective Diffraction Gratings
Grooves/mm Blaze Wavelength
(nm)
Blaze Angle
(°)
Richardson Gratings™ Echelle Refl ective Diffraction Gratings
EO ADVANTAGE:
• Highest Resolving Power and Dispersion
• Low Groove Density for Use in Higher Orders
• Groove Spacing Tolerance <0.05%
12.5 x 12.5mm 25 x 25mm
Stock No. Price Stock No. Price
150 300 1.2 #37-117 £102.50 #37-128 £131.20
300 760 6.5 #37-118 £102.50 #37-129 £131.20
300 1200 10.4 #37-119 £102.50 #37-130 £131.20
300 1700 14.6 #37-120 £102.50 #37-131 £131.20
400 1300 15.0 #37-121 £102.50 #37-132 £131.20
500 560 8.0 #37-122 £102.50 #37-133 £131.20
600 1850 34.0 #37-123 £102.50 #37-134 £131.20
1200 300 10.4 #37-124 £102.50 #37-135 £131.20
1200 400 14.0 #37-125 £102.50 #37-136 £131.20
1200 750 26.7 #37-126 £102.50 #37-137 £131.20
1200 900 32.7 #37-127 £102.50 #37-138 £131.20
Dimensional Tolerance (mm): ±0.1
Thickness (mm): 6.0
Thickness Tolerance (mm): ±0.5
Substrate: Float Glass
Coating: Aluminum
Clear Aperture (%): >90
Refl ected Wavefront, RMS: λ/4
Richardson Gratings™ Echelle Refl ective Diffraction Gratings
Grooves/mm Blaze Angle (°)
25 x 50mm
Stock No. Price
31.6 63.9 #15-741 £221.40
79.0 63.0 #15-742 £221.40
79.0 74.0 #15-743 £221.40
316.0 63.0 #15-744 £221.40
GRATINGS
/Richardson
/www.edmundoptics.co.uk
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