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pro vyhledávání: '"Ji Shun Wang"'
Publikováno v:
Advanced Materials Research. 658:232-236
We have demonstrated several MZIs based on two spaced 3-dB LPFGs with different interference lengths in conventional SMFs fabricated in air by femtosecond laser pulses with the duration of 200 fs and the repetition rate of 250 kHz. Experimental resul
Publikováno v:
Advanced Materials Research. 658:609-613
Mach-Zehnder interferometer formed by a pair of long period fiber gratings on single mode fiber is investigated as surrounding refractive index sensors. Interference fringes with bandwidth of 1.68 nm are induced by core mode and the excited cladding