Results 31 to 40 of about 131,065 (169)
, 2005 Several designs of infrared absorption based gas detector use a Fabry-Perot Interferometer (FPI) to modulate the incident light. In these systems, generally the FPI's fringes are matched with very well defined rotational absorption lines of a target ...
SPIE Europe Internation Symposium on Optical System Design +2 more
core +2 more sources
The Fabry-Perot Interferometer Manual
, 2015 This manual describes the day-to-day operation of the Fabry-Perot Interferometer used in the NATION network. It contains all the information needed to deploy and operate a Fabry-Perot interferometer for upper atmospheric ...
Rafael, Mesquita +2 more
core +1 more source
All-optically integrated photoacoustic and optical coherence tomography: A review [PDF]
Journal of Innovative Optical Health Sciences, 2017 All-optically integrated photoacoustic (PA) and optical coherence tomography (OCT) dual-mode imaging technology that could offer comprehensive pathological information for accurate diagnosis in clinic has gradually become a promising imaging technology ...
Wei Qiao, Zhongjiang Chen
doaj +1 more source
Nano silica diaphragm in-fiber cavity for gas pressure measurement
Scientific Reports, 2017 We demonstrate an ultrahigh-sensitivity gas pressure sensor based on the Fabry-Perot interferometer employing a fiber-tip diaphragm-sealed cavity. The cavity is comprised of a silica capillary and ultrathin silica diaphragm with a thickness of 170 nm ...
Shen Liu +8 more
doaj +1 more source
IEEE Photonics Journal, 2017 An easily multiplexed fiber-optic Fabry–Perot interferometer (FPI)-based ultrasonic wave (UW) sensor has been proposed and used to experimentally demonstrate ultrasound wave imaging of seismic-physical models.
Qiangzhou Rong +6 more
doaj +1 more source
Photonic‐Enabled Energy‐Efficient Transparent Neuromorphic Computing Devices: A Review
Advanced Science, EarlyView.Transparent photonic neuromorphic computing devices merge optics and brain‐inspired computing to overcome von Neumann bottlenecks with ultrafast, low‐energy processing. By exploiting transparent oxides, 2D materials, phase‐change materials, and hybrid heterostructures, these platforms enable photonic synapses, memory, and logic for see‐through edge ...
Shuvaraj Ghosh +8 more
wiley +1 more source
Physics‐Aware Machine‐Learning‐Driven Inverse Design of Broadband Ultra‐Open Acoustic Metamaterials
Advanced Science, EarlyView.A physics‐aware machine‐learning framework enables inverse design of ultra‐open acoustic silencers by decoupling spectral and radial design spaces. The approach rapidly identifies broadband, compact, and highly ventilated architectures, while revealing hidden linear design rules that link geometry, impedance matching, and acoustic performance.
Zhiwei Yang +5 more
wiley +1 more source
Fiber Fabry-Perot interferometer sensor for measuring resonances of piezoelectric elements [PDF]
, 2011 The development of a fiber extrinsic Fabry-Perot interferometer for measuring vibration amplitude and resonances of piezoelectric elements is reported. The signal demodulation method based on the use of an optical spectrum analyzer allows the measurement
Oliveira, R.A. +2 more
core +1 more source
Mode‐Resolved Phonon Dynamics Under Chemical Pressure in SnTe Thermoelectrics
Advanced Science, EarlyView.Chemical pressure reshapes low‐energy optical phonons in SnTe, altering their dispersion and scattering with heat‐carrying acoustic modes. Positive and negative pressure states modify phonon frequencies and lifetimes in distinct ways, revealing how mode‐selective lattice perturbations regulate acoustic–optical interactions and suppress lattice thermal ...
Zhihao Li +7 more
wiley +1 more source
Fiber-Optic Microstructure Sensors: A Review
Photonic Sensors, 2021 This paper reviews a wide variety of fiber-optic microstructure (FOM) sensors, such as fiber Bragg grating (FBG) sensors, long-period fiber grating (LPFG) sensors, Fabry-Perot interferometer (FPI) sensors, Mach-Zehnder interferometer (MZI) sensors ...
Zengling Ran +8 more
doaj +1 more source