Optical Data Compression in Time Stretch Imaging
Here we report the first experimental demonstration of real-time optical image compression applied to time stretch imaging. By exploiting the sparsity of the image, we reduce the
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Here we report the first experimental demonstration of real-time optical image compression applied to time stretch imaging. By exploiting the sparsity of the image, we reduce the
Distributed optical fiber sensing (DOFS) technology has recently experienced an impressive growth in various fields including security, structural monitoring and seismology, among others. This expansion
Herein, a novel real-time bending interrogation based on a strong-coupled seven-core fiber (SC-SCF) structure and time-stretch technique has been experimentally demonstrated.
A novel method for ultra-sensitive and ultra-fast temperature sensing has been successfully implemented by cascading Saganc rings to generate the Vernier effect and doing the same
Introducing FOSS KAVACH — an advanced, fiber optic–based intrusion detection solution engineered specifically for long-distance pipeline security. 🔎 Why FOSS KAVACH? Real-time detection of
Flexible optical fiber sensors benefit from both technology-merits of optical fiber sensing and flexible materials. They utilize specially designed polymer materials
Several approaches now provide convenient access to single-shot optical waveform characterization, including the dispersive Fourier transform (DFT) and time-lens
Photonic time-stretch techniques and their applications are reviewed. The approach enables the observation of signals that are otherwise too short or rapid for conventional measurement.
between free-space difraction gratings and optical fibers or chirped fiber Bragg gratings, which provide chro-matic dispersion for time stretching, is significant and worsens signal/image quality.
UltraFast Optical Imaging using Multimode Fiber based Compressed Sensing and Photonic Time Stretch Guoqing Wang, Chaitanya K Mididoddi, Fangliang Bai, Stuart Gibson, Lei Su,
By incorporating dispersive elements, we enable time-stretching, which translates the optical signal into microwave frequencies without the need for optical spectrum analyzers, thereby
In this article, we propose a novel method for temperature detection based on 1-D CNN and time-stretch method. Differing from traditional optical fiber temperature sensors that are demodulated by an
The developed in-fiber diffraction technique opens the way towards cost-effective, compact and high-resolution time stretch imaging for image-based high-throughput detection and
Optical time-stretch imaging is a novel ultrafast imaging technique that is based on space-to-time-to-wavelength mapping and enables ultrafast phenomena to be captured at GHz scan rate. In the
A simple, low-cost, and high-sensitivity optical fiber displacement sensor is presented and fabricated by concatenating two core-offset joints (COJs) with a separation length of 13 mm using a
This work presents an alternative to the use of FBG to perform the accurate real-time evaluation of tissue stretch consisting of an optical-fiber-based sensor manufactured using
2.1 Time Stretch Imaging High-throughput optical sensing are indispensable tools to acquire large data sets for detection and classification of rare events. As noninvasive instrument, high-speed optical
In this paper, compressive sensing based high-speed time-stretch optical microscopy for two-dimensional (2D) image acquisition is proposed and experimentally demonstrated for the first
Besides, with the employment of photonic time stretch (PTS), light of different wavelengths will go through a single capsuled MF in time serial within a short pulse time, which makes ultrafast single