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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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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 density1200.0 line/mmDimension tolerance
±0.2mm for all edges
Line density uniformity0.1 line/mm
MaterialULE
Angle incidence75.9°Scratch60/40
Central wavelength1550nm
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 density1200.0 line/mmDimension tolerance
±0.2mm for all edges
Line density uniformity0.1 line/mm
MaterialBK7
Angle incidence8.6°Scratch60/40
Central wavelength250nm
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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