Determining intrinsic sensitivity and the role of multiple scattering in speckle metrology
Speckle patterns are a powerful tool for high-precision metrology because they enable
remarkable performance in relatively simple setups. Nonetheless, researchers in this field …
remarkable performance in relatively simple setups. Nonetheless, researchers in this field …
Optical orbital-angular-momentum-multiplexed data transmission under high scattering
Multiplexing multiple orbital angular momentum (OAM) channels enables high-capacity
optical communication. However, optical scattering from ambient microparticles in the …
optical communication. However, optical scattering from ambient microparticles in the …
Artificial intelligence-assisted light control and computational imaging through scattering media
Coherent optical control within or through scattering media via wavefront shaping has seen
broad applications since its invention around 2007. Wavefront shaping is aimed at …
broad applications since its invention around 2007. Wavefront shaping is aimed at …
Harnessing disorder for photonic device applications
For photonic devices, structural disorder and light scattering have long been considered
annoying and detrimental features that were best avoided or minimized. This review shows …
annoying and detrimental features that were best avoided or minimized. This review shows …
Microtaper leaky-mode spectrometer with picometer resolution
Q Cen, S Pian, X Liu, Y Tang, X He, Y Ma - eLight, 2023 - Springer
The wide application of optical spectroscopy makes miniaturized spectrometers with
fundamental importance. The scalability, high-performance, low-cost, and small footprint are …
fundamental importance. The scalability, high-performance, low-cost, and small footprint are …
Deep learning enabled laser speckle wavemeter with a high dynamic range
The speckle pattern produced when a laser is scattered by a disordered medium has
recently been shown to give a surprisingly accurate or broadband measurement of …
recently been shown to give a surprisingly accurate or broadband measurement of …
Compact high resolution speckle spectrometer by using linear coherent integrated network on silicon nitride platform at 776 nm
Motivated by applications in mobile optical sensing, ultracompact high‐resolution integrated
spectrometers have attracted much interest. Here, a high‐resolution integrated speckle …
spectrometers have attracted much interest. Here, a high‐resolution integrated speckle …
A Machine Learning Specklegram Wavemeter (MaSWave) Based on a Short Section of Multimode Fiber as the Dispersive Element
OC Inalegwu, REG Ii, J Huang - Sensors, 2023 - mdpi.com
Wavemeters are very important for precise and accurate measurements of both pulses and
continuous-wave optical sources. Conventional wavemeters employ gratings, prisms, and …
continuous-wave optical sources. Conventional wavemeters employ gratings, prisms, and …
Overcoming the speckle correlation limit to achieve a fiber wavemeter with attometer resolution
The measurement of the wavelength of light using speckle is a promising tool for the
realization of compact and precise wavemeters and spectrometers. However, the resolution …
realization of compact and precise wavemeters and spectrometers. However, the resolution …
Optical fiber speckle spectrometer based on reversed-lens smartphone microscope
H Tan, B Li, KB Crozier - Scientific Reports, 2023 - nature.com
Smartphones are a potentially powerful platform for scientific instruments. Here, we
demonstrate speckle spectroscopy with smartphone-level hardware. This technique …
demonstrate speckle spectroscopy with smartphone-level hardware. This technique …