Related Experiment Video
Updated: Feb 20, 2026
03:49
Quantitative Analysis of Vacuum Induction Melting by Laser-induced Breakdown Spectroscopy
Published on: June 10, 2019
7.7K
Fiber-integrated spectroscopy device for hot alkali vapor
Applied Optics
|October 20, 2017
Summary
We developed a novel all-glass spectroscopy device integrated with optical fibers. This fiber-integrated spectroscopy system enables reliable control of alkali metal vapor density for advanced applications.
Area of Science:
- Materials Science
- Spectroscopy
- Optical Engineering
Background:
- Conventional spectroscopy methods face limitations with reactive materials.
- Integrating optical fibers into spectroscopy devices presents challenges in maintaining vacuum and material compatibility.
Purpose of the Study:
- To develop an all-glass, vacuum-tight, fiber-integrated spectroscopy device.
- To demonstrate compatibility with alkali metals and reliable control of vapor density.
Main Methods:
- Utilizing a decentered splicing technique to integrate optical fibers with a capillary.
- Performing simulations and transmission efficiency measurements across various wavelengths.
- Conducting experiments with alkali metals to assess device performance.
Main Results:
- The developed device is all-glass, vacuum-tight, and fiber-integrated.
- Successful integration and operation with highly reactive alkali metals.
- Demonstrated reliable control over alkali metal vapor density.
- Analyzed light guidance through simulations and transmission measurements.
Conclusions:
- The novel fiber-integrated spectroscopy device offers a robust platform for alkali metal research.
- The decentered splicing method is key to achieving vacuum integrity and refilling capabilities.
- This technology opens new avenues for in-situ spectroscopic analysis of reactive vapors.
Related Concept Videos
01:29Atomic Emission Spectroscopy: Lab
681
AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
681
01:26Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation
809
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....
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....
809
01:22Atomic Emission Spectroscopy: Instrumentation
1.4K
The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers. Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
1.4K
01:22Atomic Absorption Spectroscopy: Instrumentation
1.8K
An atomic absorption spectrophotometer (AAS) comprises several components: a radiation source, an atomizer, a monochromator, and a detector. The radiation source can be a hollow-cathode lamp (HCL) or an electrodeless-discharge lamp (EDL), both of which provide a narrow emission line of the required wavelength. However, some instruments use continuum sources and high-resolution monochromators to achieve a narrow range of radiation.
The atomizer used in AAS can be either a flame atomizer or an...
The atomizer used in AAS can be either a flame atomizer or an...
1.8K
01:25Atomic Absorption Spectroscopy: Atomization Methods
1.7K
Atomic Absorption Spectroscopy (AAS) atomizes samples through flame atomization or electrothermal atomization. Flame atomization typically involves a nebulizer and spray chamber assembly to combine the sample with a fuel–oxidant mixture, creating a fine aerosol mist that enters a burner. Typically, the fuel and oxidant are combined in an approximately stoichiometric ratio. However, for atoms that are easily oxidized, a fuel-rich mixture may be more advantageous. Only about 5% of the...
1.7K
01:25IR Spectrometers
2.7K
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...
2.7K