(disabled) FLS920-sm: Combined Steady State and Phosphorescence Lifetime Fluorimeter



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The FLS920-sm is the world’s most sensitive spectro-fluorimeter offering combined steady state and phosphorescence capabilities. Combining ultimate sensitivity with high spectral resolution and excellent stray light rejection, the FLS920-sm can measure lifetimes from 1microsecond to 10 seconds.

Features Include:
  • Guaranteed S/N ratio of >6000:1
  • Count rates of up to 100MHz
  • Lifetimes from 1microseconds to 10 seconds
  • Resolution from 0.05 – 18nm
  • 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

FLS920-smis a modular, computer controlled L - geometry spectrometer for acquiring steady state luminescence spectra, time resolved phosphorescence spectra and the associated decays in the ultraviolet - visible - near infra red spectral range with single photon counting sensitivity. It combines ultimate sensitivity with high spectral resolution and excellent stray light rejection

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

  • CW 450 Wxenon arc lamp
  • Pulsed Xenon flashlamp under computer control to measure phosphorescence decays. Pulses 2 to 7 µs with an average power >60 W up to 100 Hz.
  • 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 0.05nm
  • 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 0.05nm
  • single photon counting stop photomultiplier
  • PCS900 card for single photon counting data acquisition
  • Dedicated PC running F900 software for comprehensive spectrometer control, performance monitoring, fluorescence spectral data acquisition, correction and analysis library.

Software Interface:
In keeping with the modularity of the FLS920-sm 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 and 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 FSP920 together with a range of standard upgrade options for this spectrometer.

Data Acquisition:
The FLS920-sm 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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(disabled) FLS920-sm: Combined Steady State and Phosphorescence Lifetime Fluorimeter

Manufacturer Edinburgh Instruments Ltd.

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