Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
UV–Vis Spectrometers01:14

UV–Vis Spectrometers

The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell. Samples for...
IR Spectrometers01:25

IR Spectrometers

There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...
Spectrophotometry: Introduction01:16

Spectrophotometry: Introduction

Spectrophotometry is the quantitative measurement of the absorption, reflection, diffraction, or transmission of electromagnetic radiation through a material as a function of the intensity and wavelength of the radiation. A spectrophotometer is a device used to measure the change in the radiation intensity caused by its interaction with the material.
The essential components of a spectrophotometer include a source of electromagnetic radiation, a slot for placing a material to be analyzed, and a...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Impact of polarization pulling on optimal spectrometer design for stimulated Brillouin scattering microscopy.

APL photonics·2024
Same author

Photonic next-generation reservoir computer based on distributed feedback in optical fiber.

Chaos (Woodbury, N.Y.)·2024
Same author

Integrated photonic encoder for low power and high-speed image processing.

Nature communications·2024
Same author

High-speed RF spectral analysis using a Rayleigh backscattering speckle spectrometer.

Optics express·2023
Same author

High-speed broadband absorption spectroscopy enabled by cascaded frequency shifting loops.

Scientific reports·2023
Same author

Dynamic temperature-strain discrimination using a hybrid distributed fiber sensor based on Brillouin and Rayleigh scattering.

Optics express·2023

Related Experiment Video

Updated: May 14, 2026

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
09:03

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

Using a multimode fiber as a high-resolution, low-loss spectrometer.

Brandon Redding1, Hui Cao

  • 1Department of Applied Physics, Yale University, New Haven, Connecticut 06520, USA.

Optics Letters
|February 6, 2013
PubMed
Summary
This summary is machine-generated.

A novel multimode fiber spectrometer offers high resolution and low loss. This innovative device uses fiber optic speckle patterns for spectral analysis, enabling precise measurements with minimal signal degradation.

More Related Videos

Multimodal Imaging and Spectroscopy Fiber-bundle Microendoscopy Platform for Non-invasive, In Vivo Tissue Analysis
10:35

Multimodal Imaging and Spectroscopy Fiber-bundle Microendoscopy Platform for Non-invasive, In Vivo Tissue Analysis

Published on: October 17, 2016

Writing Bragg Gratings in Multicore Fibers
08:48

Writing Bragg Gratings in Multicore Fibers

Published on: April 20, 2016

Related Experiment Videos

Last Updated: May 14, 2026

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
09:03

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

Multimodal Imaging and Spectroscopy Fiber-bundle Microendoscopy Platform for Non-invasive, In Vivo Tissue Analysis
10:35

Multimodal Imaging and Spectroscopy Fiber-bundle Microendoscopy Platform for Non-invasive, In Vivo Tissue Analysis

Published on: October 17, 2016

Writing Bragg Gratings in Multicore Fibers
08:48

Writing Bragg Gratings in Multicore Fibers

Published on: April 20, 2016

Area of Science:

  • Optics and Photonics
  • Spectroscopy
  • Fiber Optics

Background:

  • Conventional spectrometers often involve complex and bulky optical setups.
  • Multimode fibers (MMFs) typically generate detrimental speckle patterns due to modal interference.
  • Efficient and compact spectral analysis tools are in high demand across various scientific fields.

Purpose of the Study:

  • To demonstrate that a standard multimode fiber can be repurposed as a high-resolution, low-loss spectrometer.
  • To investigate the potential of utilizing the inherent speckle pattern in MMFs for spectral information retrieval.
  • To develop a simple and cost-effective spectral measurement system.

Main Methods:

  • Utilizing a conventional multimode fiber as the core component of the spectrometer.
  • Employing a camera to capture the speckle pattern generated by modal interference within the fiber.
  • Developing a calibration process to recover spectral information from the captured speckle patterns.

Main Results:

  • Achieved a spectral resolution of 0.15 nm over a 25 nm bandwidth using a 1 m fiber.
  • Demonstrated a higher spectral resolution of 0.03 nm over a 5 nm bandwidth with a 5 m fiber.
  • Reported insertion loss below 10% and a signal-to-noise ratio exceeding 1000 for reconstructed spectra.

Conclusions:

  • A conventional multimode fiber can effectively function as a high-resolution, low-loss spectrometer.
  • The speckle pattern, often considered a drawback, contains valuable spectral information that can be decoded.
  • This fiber-based spectrometer presents a promising, simplified alternative to traditional spectroscopic instrumentation.