Experimental study on microlaser fluorescence spectrometer

Abstract

This version is available at https://strathprints.strath.ac.uk/63384/ Strathprints is designed to allow users to access the research output of the University of Strathclyde. Unless otherwise explicitly stated on the manuscript, Copyright © and Moral Rights for the papers on this site are retained by the individual authors and/or other copyright owners. Please check the manuscript for details of any other licences that may have been applied. You may not engage in further distribution of the material for any profitmaking activities or any commercial gain. You may freely distribute both the url (https://strathprints.strath.ac.uk/) and the content of this paper for research or private study, educational, or not-for-profit purposes without prior permission or charge.Any correspondence concerning this service should be sent to the Abstract. This paper presents a kind of miniature handheld laser fluorescence spectrometer, which integrates a laser emission system, a spectroscopic system and a detection system into a volume of 100×50×20 mm 3. A USB interface is connected to PC for data processing and spectrum display. The emitted laser wavelength is 405 nm. A spectral range is 400~760 nm and 2 nm optical resolution has been achieved. This spectrometer has the advantages of compact structure, small volume, high sensitivity, and low cost.

Development of a Handheld System for Liquor Authenticity Detection Based on Laser Spectroscopy Technique

“…In theory, the lower the wavelength of the laser, the better, but the price of the lower laser will rise sharply, and we need to reduce the cost to make the product cheap. At the same time, some current studies [20,21] in this field also show that 405 nm laser products are more commonly used and stable. Based on the above factors, we chose a laser with a wavelength of 405 nm.…”

Water turbidity detection based on laser scattering‐Raman ratio method

“…18 Laser and spectroscopy techniques have been widely explored and applied in various fields in recent years. [20][21][22][23][24][25] In this paper, a new turbidity detection method is proposed by laser spectroscopy measurement, and a small system is designed by using Y-type fiber as the transmission medium. The light signals generated by the interaction between laser and water are transmitted to the spectrometer through Y-type fiber, and the turbidity can be calculated by the LSRR method.…”

“…Laser and spectroscopy techniques have been widely explored and applied in various fields in recent years 20‐25 . In this paper, a new turbidity detection method is proposed by laser spectroscopy measurement, and a small system is designed by using Y‐type fiber as the transmission medium.…”