Fluorescence Measurement System

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7-FRSpec

Used to measure fluorescence intensity

The performance of our fluorescence measurement system is typically assessed using the signal-to-noise ratio of pure water Raman. When tested using modulation methods, the Raman spectra of pure water are displayed as follows. Equipped with specialized fluorescence testing software, our system can measure excitation spectra, emission spectra, and synchronous spectra with precision and ease.

Specifications

Spectral range	200~2500nm (selectable according to actual needs)
Excitation light source	Xenon lamp (other types of light sources can also be selected as needed)
Photocurrent drift	< 0.04% per hour
Wavelength accuracy	±0.2nm
Spectral resolution	±0.1nm
Spectral bandwidth	Adjustable from 0.2~10nm
Signal-to-noise ratio	≥2000:1 (pure water Raman)

Features

Utilizes high-sensitivity photomultiplier tubes and indium gallium arsenide detectors for enhanced sensitivity.
Enhanced system signal-to-noise ratio with the integration of optical choppers and photon counters.
It’s capable of conducting excitation spectrum, emission spectrum, and synchronous spectrum tests.
Automatic removal of significant errors ensures precise test results.
Modular design for flexible structure and easy upgrades.

Raman spectra of pure water measured in real time (λex=350nm, λem=397nm, half width < 10nm, signal to noise ratio exceeds 1000:1)

The excitation spectra of rare-earth compound Tb<sup>3+</sup> measured in real time

The excitation spectra of rare-earth compound Tb³⁺ measured in real time

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