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2004-08-12   |   4 min read

Patent awarded for innovative gratings

[h5]Press Release - Copenhagen, August 12th, 2004 [/h5] Ibsen Photonics has been awarded patent for innovative gratings with unique efficiency and reliability properties Fusion bonded gratings create high-efficiency, polarization controllable gratings with highly protected surfaces. Ibsen Photonics, a leading supplier of holographic Phase masks, transmission diffraction gratings and OEM spectrometer modules based on diffraction gratings, today announced that it has been granted United States Patent # 6,762,880, titled "Grating Structures and Methods of Making the Grating Structures". This technology enables pure fused silica transmission grating designs with beneficial optical properties. Design possibilities include polarization and temperature independence combined with highly

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2004-06-18   |   5 min read

Patent awarded for production technique of high-volume, sub-micron period gratings

[h5]Press Release - Copenhagen, June 18th, 2004 [/h5] Ibsen Photonics has been awarded patent for production technique of high-volume, sub-micron period gratings Near Field Holography (NFH) process technology improves manufacturability of gratings in wafer based integrated optical components Ibsen Photonics, a leading supplier of holographic Phase masks, transmission diffraction gratings and DWDM monitors based on diffraction gratings, today announced that it has been granted United States Patent # 6,693,701, titled "Method and Apparatus for Diffractive Transfer of Grating Mask". This technology allows manufacturers to print sub-micron grating periods by further advancing the manufacturability provided by NFH technology which involves replicating

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