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Related Concept Videos

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy  (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used.

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Related Experiment Video

Updated: Jun 17, 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

A broadband ASE light source-based full-duplex FTTX/ROF transport system.

Ching-Hung Chang1, Hai-Han Lu, Heng-Sheng Su

  • 1Institute of Electro-Optical Engineering, National Taipei University of Technology, Taipei, Taiwan.

Optics Express
|December 10, 2009
PubMed
Summary
This summary is machine-generated.

This study introduces a cost-effective fiber-to-the-X (FTTX) and radio-over-fiber (ROF) system for rural areas. It enables simultaneous broadband and wireless signal transmission over long distances using a single amplified spontaneous emission (ASE) light source.

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Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

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Last Updated: Jun 17, 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

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Area of Science:

  • Telecommunications Engineering
  • Optical Communications

Background:

  • Broadband and wireless access in rural areas presents significant challenges.
  • Existing fiber-to-the-X (FTTX) and radio-over-fiber (ROF) systems often lack cost-effectiveness for widespread rural deployment.

Purpose of the Study:

  • To propose and demonstrate a novel full-duplex FTTX/ROF transport system.
  • To enable simultaneous transmission of baseband (BB) and radio-frequency (RF) signals over long-haul single-mode fiber (SMF) for rural connectivity.

Main Methods:

  • Utilized a broadband amplified spontaneous emission (ASE) light source for multi-wavelength transmission.
  • Implemented a ring topology sharing a long-haul SMF trunk among multiple rural villages.
  • Simultaneously transmitted externally modulated BB (1.25 Gbps) and RF (622 Mbps/10 GHz) signals.

Main Results:

  • Achieved successful simultaneous transmission of both BB and RF signals.
  • Demonstrated good bit error rate (BER) performance, validating the system's practicality.
  • The system leverages a single ASE light source for multi-wavelengths, simplifying the architecture.

Conclusions:

  • The proposed FTTX/ROF system offers a practical solution for providing integrated wireline and wireless services to spread-out rural communities.
  • The system's reliance on a single ASE light source provides significant economic and simplicity advantages over conventional multi-wavelength approaches.