Simultaneous Measurement of Bending and Torsion in Optical Fiber Shape Sensor
Optical fiber shape sensing technology provides an excellent solution for the tracking and guiding of minimally invasive surgical instruments. However, when some large-deformed instrument operation…
Spectrum Extreme Purification and Modulation of DBR Fiber Laser With Weak Dis…
Highly coherent lasers with spectral hyperpurity can further advance the fields of science and engineering. Especially, a light source with controllable frequency domain parameters can be adapted t…
Intrinsic Spectrum Analysis of Laser Dynamics Based on Fractional Fourier Tra…
The intrinsic spectrum that results from the coupling of spontaneous emission in a laser cavity can determine the energy concentration and coherence of lasers, which is crucial for optical high-pre…
Ultra-Widely Tunable Acousto-Optic Add-Drop Filter Based on Acoustically-Indu…
An ultra-widely tunable acousto-optic add-drop filter is proposed and demonstrated based on the acoustically-induced polarization conversion of cladding-etched single-mode fiber, which covers wavel…
Tuning Dynamics of the Acousto-Optical Tunable SOA Fiber Laser
Acoustically-induced fiber gratings (AIFGs) can be employed as the main device to achieve wide-range, time-linear, and fast wavelength tunability of various lasers, due to their fast spectral respo…
Real-Time Mode Following Based Narrow Linewidth Brillouin Fiber Swept Laser
We propose and demonstrate a novel concept of Brillouin fiber swept laser with narrow linewidth based on mode following effect. Utilizing the synergy of the Brillouin gain spectrum and cavity mode,…
Tunable Narrow-Linewidth Fiber Laser Based on the Acoustically Controlled Pol…
Researches on high coherence light sources always pursue fast tuning speed, linear tunability and persistence of narrow linewidths at different tuning channels. Fortunately, acousto-optical interac…
A Longitude-Purification Mechanism for Tunable Fiber Laser Based on Distribut…
Advanced applications in optical frequency metrology demand improved tunable lasers with high coherence. Herein, a tunable single-frequency fiber laser based on the longitude-purification induced b…
In-Fiber Auxiliary Interferometer to Compensate Laser Nonlinear Tuning in Sim…
The traditional optical frequency domain reflectometry usually requires a separate auxiliary interferometer to compensate for laser nonlinear tuning effect. In order to break through this limitatio…
80 km Fading Free Phase-Sensitive Reflectometry Based on Multi-Carrier NLFM P…
Long range phase-sensitive optical time domain reflectometer (φ-OTDR) sensing mainly employs distributed amplification in the sensing fiber. It requires the light to be injected into both ends of …
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