Time-Correlated Single-Photon Counting on the World's Most Sensitive
Spectrofluorometer
 We start with the best steady-state optical bench from Jobin Yvon
Spex®, add in a pulsed laser-diode or a pulsed spark source, and finish
with a superior detector-module.
The Result?
The World's Most Sensitive Spectrofluorometer, with TCSPC ready
to perform time-domain lifetime spectroscopy! You get the reliability
and know-how of the Spex® FluoroLlog® series,
together with the solid-state economy and sensitivity of IBH lifetime
analysis, all in one instrument.
All functions are software controlled from a host computer, giving
you access to data with just a few keystrokes. A high repetition
rate light source rapidly builds up a histogram of the
sample's
fluorescence decay.
So why use TCSPC for time-resolved experiments?
Of all the modern time-domain methods, including boxcar integration
and streak cameras, TCSPC has by far the best dynamic range. If your
sample lifetimes are really important, then Spex®-IBH
TCSPC is the method for you.
Technical Specifications
| Exciation Sources |
| Steady-State |
Broadband 450-W Xenon arc lamp from UV to near-IR |
| TCSPC |
- Fixed-wavelength "Plug
and Play" interchangeable NanoLED
pulsed laser-diodes and LEDs. Wavelengths of 280, 340,
375, 405, 440, 473, 635, 650, 785 and 830 nm are available
for
laser-diodes.
370,455, 465, 485, 560, 590, 605, 625 for LEDs. Standard
optical pulse durations are <200 ps (<100ps typical)
for laser-diodes,
<1.5 ns for LEDs.
- 5000F coaxial nanosecond flashlamp with broadband output
from 180-780 nm.
Thyratron-gated spark and pulse generator (10 Hz - 100 kHz).
Minimum optical pulse-width is 0.6 ns.
|
| Spectrometers |
| |
Czerny-Turner, with classically-rulled gratings and all reflective
optics. Optional double-grating spectrometers available. For
standard 1200-grooves/mm. |
| Resolution |
0.2 nm |
| Accuracy |
± 0.5
nm |
| Speed |
150 nm/s |
| Range |
0 - 1300 nm |
| Detectors |
| TCSPC and Steady State |
TBX-04 photomultiplier tube module, response 185 - 650 nm.
Dark counts < 80 cps (< 20 cps typical). Timing jitter typically
180 ps FWHM, 250 ps maximum. Optioncal cooled extended-red detectors
are available to 850 nm. |
| Lifetimes Measureable |
| TCSPC |
< 100
ps to 100 µs lifetimes |
| MCS |
< 10 µs
to seconds (depending on source) |
| Software |
| |
Runs under Windows™ |
|
