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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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