FIBER BRAGG GRATING ELEMENT

• Main Authors: OTA IKUO, OTA TOSHIHIKO, INUKAI TOSHIYUKI, YODO SHIGETO
• Format: Patent
• Language: English
• Published: 21.07.2005
• Edition: 7
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; MEASURING; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR; TRANSMISSION

PROBLEM TO BE SOLVED: To obtain a high cut off quantity exceeding 40 dB in a broad band exceeding 1nm with a simple structure. SOLUTION: An FBG part 40 filters at a high cut off of a light input exceeding 40 dB in a broad band exceeding 1nm, a photosensitive material having a sensitivity to ultravio...