搜索结果: 1-15 共查到“光学工程 interferometer”相关记录30条 . 查询时间(0.047 秒)
A sensor head cons is t in g of a photonic cr ystalfiber ( PCF)-b ased Mac h –Zehnderinterferometer(MZI) anda fiber Bragg grating (F BG) i s proposed and experimentally demo nstrated for simultaneous ...
Highly sensitive fiber loop ringdown strain sensor using photonic crystal fiber interferometer
Highly sensitive fiber loop ringdown strain sensor photonic crystal fiber interferometer
2013/5/27
A highly sensitive strain sensor is demonstrated by introducing a photonic crystal fiber (PCF) Mach–Zehnder interferometer (MZI) in a cavity ringdown fiber loop as a sensing element. The MZI is fabric...
A Temperature-Insensitive Twist Sensor by Using Low-Birefringence Photonic-Crystal-Fiber-Based Sagnac Interferometer
Birefringence low-birefringence photonic crystal fi ber optical fi ber twist sensor Sagnac interferometer
2013/5/27
An optical fi ber twist sensor is proposed by using solid core low birefringence photonic crystal fi ber (LB-PCF)-based Sagnac interferometer. The twist effects on the fi ber are theoret-ically analyz...
Michelson Interferometer With Faraday Mirrors Employed In A Delayed Self-Heterodyne Interferometer
Coherent optical effects Heterodyne Interferometry
2015/5/25
Faraday rotator mirrors in a Michelson interferometer configuration is shown to significantly improve resolution and coherence for delayed self-heterodyne interferometery.Coherence is clearly observed...
On an ONU for Full-Duplex 10.5 Gbps/λ with Shared Delay Interferometer for Format Conversion and Chirp Filtering
ONU Full-Duplex 10.5 Gbps/λ Shared Delay Interferometer Format Conversion Chirp Filtering
2015/5/21
Chirped IRZ downstream is used together with a delay interferometer and a RSOA at a low complexity ONU for full-duplex 10.5Gbps transmission on a single wavelength, supported by modulation format conv...
10-Gbps Upstream Transmission for WDM-PON Using RSOA and Delay Interferometer
10-Gbps Upstream Transmissio WDM-PON RSOA Delay Interferometer
2015/5/20
We demonstrate the transmission of 10-Gbps NRZ signals over 20-km standard single-mode fiber using an RSOA in a loopback configured WDM-PON system. Significant performance improvement is achieved usin...
Large range microwave frequency measurement using a fiber delay interferometer pair
fiber delay interferometer pair microwave frequency measurement
2015/5/15
We demonstrate a photonic approach to IFM using two parallel home-made fiber delay interferometers, packaged into a 10cm×8cm board. A maximum measurement frequency of 36.7GHz and measurement error les...
Compact Tunable Delay Interferometer using Movable Prism for DPSK Optical Performance Monitor
Compact Tunable Delay Interferometer Movable Prism PSK Optical Performance Monitor
2015/5/15
A tunable delay interferometer for a multi-bit-rate DPSK optical performance monitor is described. Quality monitoring of various bit rate signals using all-optical sampling is demonstrated and agrees ...
High-sensitivity broadband micro-Michelson-interferometer based on an end-sphered hollow-core fiber
broadband micro-Michelson-interferometer nd-sphered ollow-core fiber
2015/5/15
We demonstrate a high-sensitivity broadband micro-Michelson fiber interferometer using a singlemode fiber end-spliced with a short (43.9μm) hollow-core end-collapsed lensed fiber.The extinction ratio ...
Simultaneous measurement of strain and temperature with a long-period fiber grating inscribed Sagnac interferometer
Sagnac interferometer Strain and temperature measurements Polarization maintains fiber Long-period fiber grating
2013/5/27
A Sagnac interferome ter with a long-per iod fiber grating (LPG) inscribed in the polarization-maintainin g fi ber (PMF) is proposed and experime ntally demonstrated for simultaneous measurement of st...
Phase-Incoherent DPSK Regeneration Using a Fiber-Sagnac Interferometer
Phase modulation Nonlinear optical signal processing
2015/6/8
We experimentally demonstrate for the first time phase-incoherent regeneration of DPSK signals based on fiber-Sagnac interferometer. Power penalty improvement of phase-, amplitude- and ASE-noise loade...
RZ-to-NRZ and NRZ-to-PRZ Format Conversions using a Photonic Crystal Fiber Based Mach-Zehnder Interferometer
Fiber properties Optical communications
2015/6/5
We have fabricated a photonic crystal fiber based Mach-Zehnder interferometer and demonstrated its use in both RZ-to-NRZ and NRZ-to-PRZ pulse format conversions for 10-Gb/s OOK signals.The PCF length ...
Tunable Free Space Optical Delay Interferometer for Demodulation of Differential Phase Shift Keying Signals
Phase modulation Interferometry
2015/6/4
With a continuously tunable free space optical delay interferometer and direct detection D(Q)PSK signals can be received at varying symbol rates or under optimized conditions. The in-terferometer’s ph...
An optical microfiber Sagnac interferometer with adjustable transmission
Fiber optics Microstructure device
2015/6/4
A Sagnac interferometer based on an optical microfiber is demonstrated. It shows good adjustability of transmission, which enables it to be used as linear edge filter, optical variable attenuator, or ...
Acoustic mapping of the back-scattering interferometer signal in a CO2 laser
CO2 laser self-mixing optical feedback back-scattering interferometer photoacoustics
2011/5/9
It is shown that a microphone placed in the laser plasma can be used for detection and observation
of the optical phenomenon such as an optical feedback in a continuous wave regime of the laser
oper...