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Gratings

We provide the replication copied from the master grating. It has the same performance at a lower price. Besides, we can provide a customized grating.
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Mirrors
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Description
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High Efficiency Reflection Grating, 1200 line/mm for 1520nm-1570nm

Features:

Popular applications in Telecom @1550nm, especially for WSS;

Very high diffraction efficiency;

Excellent feature fidelity and groove uniformity;

Extreme environmental stability;

Low light scatter;

Very competitive pricing;

Strict quality control;

Substrate materials: UVFS/ULE.

 

Specifications:

Optical Mechanical
Line density 1200.0 line/mm Dimension tolerance ±0.2mm for all edges
Line density uniformity 0.1 line/mm Material ULE
Angle incidence 75.9° Scratch 60/40
Central wavelength 1550nm Parellelism <0.1°
Diffraction efficiency >93% Perpendicularity <0.1°

 

 

Substrate Dimension Option
Part number Substrate length Substrate width Clear aperture
FRG-1200-1 30.0 25.5 0.5mm from all edges
FRG-1200-2 32.0 20.0
Custom dimensions Any rectangle fitting with 50mm diameter circle

  

Typical Layout:

 

 

 

 

High Efficiency Reflection Grating, 1200 line/mm for 190nm-1000nm

 

Features:

Popular applications for spectroscopy;

Very high diffraction efficiency;

Excellent feature fidelity and groove uniformity;

Extreme environmental stability;

Low light scatter;

Very competitive pricing;

Strict quality control;

Substrate materials: UVFS/BK7/ULE.

 

Specifications:

Optical Mechanical
Line density 1200.0 line/mm Dimension tolerance ±0.2mm for all edges
Line density uniformity 0.1 line/mm Material BK7
Angle incidence 8.6° Scratch 60/40
Central wavelength 250nm Parellelism <0.1°
Diffraction efficiency >70% Perpendicularity <0.1°

 

Substrate Dimension Option
Part number Substrate length Substrate width Clear aperture
FRG-1200-3 25.0 25.0 0.5mm from all edges
Custom dimensions Any rectangle fitting with 50mm diameter circle

  

Typical Layout:

 

 

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