High-resolution optical spectroscopy using multimode
Multimode interference spectroscopy is suitable in a variety of device geometries, including planar waveguides in a broad range of transparent materials.
Multimode interference spectroscopy is suitable in a variety of device geometries, including planar waveguides in a broad range of transparent materials.
Download Citation | On Jul 13, 2023, Sahin Kurekci and others published Single-Pixel Multimode Fiber Spectrometer via Wavefront Shaping | Find, read and cite all the research you need on ResearchGate
A multimode fiber spectrometer is developed with ultrahigh resolution and extreme broad bandwidth. Shaping the input wavefront enables an effective control of output polarization states of a multimode
A multi-mode fiber functions as a high-resolution, low-loss spectrometer. Wavelength-dependent speckle patterns are used for spectrum recovery. Record-high resolution and extremely broad range of
A general-purpose all-fiber spectrometer is demonstrated to overcome the trade-off between spectral resolution and bandwidth. By integrating a wavelength division multiplexer with five
A novel on-chip spectrometer based on top-down imaging of a multi-mode interference waveguide is introduced. Accurate wavelength identification with 0.5 nm resolution is demonstrated using a
Abstract Compact, broadband, and high-resolution spectrometers are appealing for sensing applications, but difficult to fabricate. Here we show using calibration data a spectrometer based on a
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Figure 1 Figures of merit of several compact spectrometers employing detector arrays, including the tapered fiber multimode interference (TFMMI) spectrometer that is described in this work.
A general-purpose all-fiber spectrometer is demonstrated to overcome the trade-off between spectral resolution and bandwidth. By integrating a wavelength division multiplexer with five
A highly compact spectroscopic measurement schem is proposed based on a fabricated on-chip silicon device that consists of a multimode interference waveguide containing randomly distributed
Furthermore, the fiber-based spectrometer requires only a multimode fiber and a monochrome CCD camera to record the speckle patterns. Compared to traditional spectrometers, optical fibers are
Multimode fiber (MMF) spectrometers suffer from the resolution-bandwidth trade-off due to the limited spatial speckle information used for spectral
The invention is a monolithic, compact spectrometer based on multimode interference (MMI) and can simultaneously achieve high resolving power and bandwidth in a simple-to-couple and compact device.
Multimode fiber for low-loss and high-resolution spectrometry Brandon Redding and Hui Cao Calibrating wavelength-dependent speckle patterns enables a multi-mode optical fiber to function as a
Abstract This study presents a high-accuracy, all-fiber mode division multiplexing (MDM) reconstructive spectrometer (RS). The MDM was achieved by utilizing a custom-designed 3 × 1 mode-selective
We demonstrate that a multi-mode fiber can operate as a high-resolution spectrometer after calibrating wavelength-dependent speckle patterns. A 100m fiber provides 1pm resolution and a 4cm fiber
Compact, broadband, and high-resolution spectrometers are appealing for sensing applications, but difficult to fabricate. Here we show using calibration data a spectrometer based on a...
Compact, broadband, and high-resolution spectrometers are appealing for sensing applications, but difficult to fabricate. Here we show using calibration data a spectrometer based on a
MMI spectrometer. (a) Schematic overview of the approach. A continuous or discrete spectral signal is coupled into a chip with a multi-mode
A compact broadband and ultrahigh-resolution imaging spectrometer (CBURIS) is presented, which comprises a microlens array, multiple fiber
When light passes through a multimode fiber, two-dimensional random intensity patterns are formed due to the complex interference within the fiber. The extreme sensitivity of speckle
Here we introduce a compact spectrometer based on multimode inter-ference (MMI) that simultaneously achieves high resolving power of R4104 (R4105) in the visible (near-infrared) spectrum, and...
These spectrometers, however, afford only modest spectral resolution, while suffering high insertion loss and/or low signal to noise ratio (SNR). In this letter, we demonstrate that a conventional multimode
While desirable for compact solutions, the miniaturization of spectrometers comes at the cost of spectral resolution and operating range. Here, Wanet al. propose a tapered fibre multimode
Single-Pixel Multimode Fib er Spectrometer via W av efront Shaping S ¸ ahin K¨ urek ci ∗1, 2, S. S ¨ uleyman Kahraman 1, 3, and Emre Y ¨ uce 1, 2
Speckle patterns at the output end of a multi-mode fiber (MMF) are generated by the interference of eigenmodes propagating along the fiber. A MMF can
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