By locking a diode laser wavelength to the mid-reflection wavelength of a fiber-Bragg grating, dynamic strain sensing resolution of ≈ 45 pε/√Hz at 3 kHz is achieved. The error signal provides direct electronic demodulation.
|Number of pages||5|
|Journal||Proceedings of SPIE - The International Society for Optical Engineering|
|State||Published - 2003|
|Event||European Workshop on Optical Fibre Sensors - Peebles, United Kingdom|
Duration: 8 Jul 1998 → 8 Jul 1998