FLS920-m: A Complete Fluorescence, Phosphorescence Laboratory in one Instrument



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The FLS920-m is the world’s most sensitive spectro-fluorimeter offering phosphorescence capabilities.

Combining ultimate sensitivity with high spectral resolution and excellent stray light rejection, the FLS920-m can measure lifetimes from 1 µs to 10 seconds.

Features Include:

  • Count rates of up to 100MHz
  • Lifetimes from 1µs to 10 seconds
  • Resolution from 0.06 (with 1800g/mm grating)
  • Stray Light Suppression of 1 x 105
  • Automated spectral correction
  • PC plug-in card for combined Single Photon Counting steady state acquisition and Multi-Channel Scaling lifetime acquisition.
  • Fully computer controlled through Windows software
  • Full data reconvolution using a non-linear least square fitting routine
  • The FLS920-m is a modular, computer controlled L - geometry spectrometer for measuring phosphorescence decays and generating time resolved phosphorescence spectra.

The configuration of the FLS920-m consists of the following hardware:

  • Pulsed Xenon flashlamp under computer control to measure phosphorescence decays. Pulses 1.5 to 2.5 µs with an average power >60 W up to 100 Hz, repetition rate of 0.1-100Hz.
  • Excitation monochromator: 300mm focal length, Czerny-Turner design triple grating turret facility with computer controlled wavelength selection and computer controlled continuously adjustable slits. Stray light rejection 1:105, resolution down to 0.06nm (with 1800g/mm grating).
  • Versatile sample chamber with integral controller, safety shutters, signal attenuator and filter holders.
  • Emission monochromator: 300mm focal length, Czerny-Turner design triple grating turret facility with computer controlled wavelength selection and computer controlled continuously adjustable slits. Stray light rejection 1:105, resolution down to 0.06nm (with 1800g/mm grating).
  • Single photon counting stop photomultiplier.
  • PCS900 card for single photon counting data acquisition.
  • Dedicated PC running F900 software for comprehensive spectrometer control, performance monitoring, gated phosphorescence spectral data acquisition, correction and analysis.

Software Interface:
In keeping with the modularity of the FLS920-m spectrometer, the F900 advanced software is a user friendly package. Irrespective of the system configuration and accessories, the F900 software provides the user with complete control. Measurement set-up and data acquisition is made through a transparent menu system. The measurement modes within the software reflect the system configuration by means of a simple operating environment. Control of the hardware settings on the PCS900 data acquisition cards are easily accessed through the F900 software.

System Flexibility:
The modular design of every spectrometer provides maximum flexibility to meet the requirements for a wide range of applications. We offer a wide range of accessories for the FLS920-m together with a range of standard upgrade options for this spectrometer.

Data Acquisition:
The FLS920-m incorporates state of the art single photon counting technology in the form of the PCS900 computer plug-in card. The PCS900 card is a fast pulse count scalar card that can operate in two modes one for steady state acquisition, the other for multi-channel scaling lifetime acquisition. In steady state mode the card can operate with count rates of up to 100MHz. For MCS acquisition the minimum time window is 200ns/channel.

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FLS920-m: A Complete Fluorescence, Phosphorescence Laboratory in one Instrument

Manufacturer Edinburgh Instruments Ltd.

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