Fluorolog-QM Modular Research Fluorometer for Lifetime and Steady State Measurements - HORIBA
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Fluorolog-QM

Modular Research Fluorometer for Lifetime and Steady State Measurements

The HORIBA Fluorolog-QM™ series of modular research grade spectrofluorometers is the fourth generation of the world famous HORIBA Fluorolog, with the first Fluorolog introduced by Spex Industries in 1975.

The Fluorolog-QM represents the culmination of decades of HORIBA’s industry-leading experience in development and manufacture of the highest level of spectrofluorometer performance and versatility. The Fluorolog-QM, with its exquisite, optically perfect, all reflective optics, combined with a multitude of light source and detector options, and sample handling accessories, provides the highest sensitivity and greatest versatility of any spectrofluorometer.

The Fluorolog-QM can be enhanced to suit a broad array of luminescence experiments, with the industry’s most extensive list of optional accessories to expand capabilities and performance, to meet all of the most demanding research lab’s experimental needs. And when you purchase a Fluorolog-QM all of these enhancements and accessories can be added to your system at any later time as your needs change, or funds become available.

With thousands operating in universities and research labs around the world, and tens of thousands of publications, Fluorolog has proved itself to be the best choice for the most demanding steady state, time-resolved, TCSPC, PLQY and NIR research.

      

Segment: Scientific
Manufacturing Company: HORIBA Scientific

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        4th generation from the Fluorolog series spectrofluorometers

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              Spectroscopy in :60 - Up Conversion

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                    Spectroscopy in :60 - SSTD 

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                    Unique Fluorolog-QM™ Benefits

                    • All reflective optics for perfect performance at all wavelengths
                    • Highest guaranteed sensitivity (more than double that of the Fluorolog-3)
                    • Excellent stray light rejection with extra-large, coma corrected, 350 mm single, or 700 mm double additive monochromators
                    • New software for all steady state and lifetimes experiments, with many new features
                    • Extended wavelength range from Deep UV to NIR
                    • Up to four light source types, and six detectors, can all be connected at once, under computer control, for ultimate lab versatility
                    • World class, plug and play, TCSPC lifetime enhancements, at speeds up to 100 MHz
                    • NIR steady state and phosphorescence lifetime detection to 5,500 nm
                    • Deep UV excitation down to 180 nm

                     

                    For more features download the Fluorolog-QM brochure

                     

                    Optional Pulsed Laser and LED Light Sources


                    The following specifications are for the standard Fluorolog-QM-75-22 system.
                    Options and upgrades may be available upon request.

                    Signal-to-Noise Ratio(>35,000:1 FSD)
                    Data Acquisition Rate1,000,000 points/sec. to 1 point/1000 sec.
                    Inputs4 photon counting (TTL); 4 analog (+/- 10 volts); 1 analog reference channel
                    (+/- 10 volts); 2 TTL
                    Outputs2 analog (+/- 10 volts); 2 TTL
                    Emission Range with
                    standard PMT
                    185 nm to 900 nm (optional to 5,500 nm)
                    Light SourceHigh efficiency “ECO” friendly continuous 75 W Xenon arc lamp
                    (Optional 450 W Xenon)
                    Excitation and Emission
                    Monochromators
                    700 mm, triple grating, coma-aberration corrected, asymmetrical, excitation or emission
                    optimized, Czerny-Turner design with computer controlled slits at entrance, intermediate
                    plane and exit.
                    SlitsComputer controlled, continuously adjustable
                    Excitation Grating1200 line/mm 300 nm blaze, (Up to two optional gratings can be ordered)
                    Emission Grating1200 line/mm 400 nm blaze, (Up to two optional gratings can be ordered)
                    Wavelength Accuracy+/- 0.3 nm
                    Minimum Step Size0.01 nm (grating dependent)
                    Standard DetectionMultimode, -20 degrees Celsius cooled, 1600 Volt PMT housing;
                    Multimode: Photon Counting, 3 analog (fast, medium, slow response),
                    direct and Single-Shot Transient Digitizer (SSTD) mode,
                    and Time-Correlated Single Photon Counting (TCSPC), R928P PMT standard (other PMT's available)
                    R928P PMT Dark Count: 10 counts per second or less  
                    R928P PMT Maximum
                    Linear Count Rate:
                    10,000,000 counts per second  
                    System ControlComputer interface with FelixFL spectroscopy software
                    Lifetime Range5 ps to seconds with appropriate time-resolved accessories
                    scrollable

                    HORIBA Scientific has a policy of continuous product development, and reserves the right to amend part numbers,
                    descriptions and specifications without prior notice.

                    Selection Guide for Solid State NIR Detectors on the Fluorolog-QM
                    Selection Guide for Solid State NIR Detectors on the Fluorolog-QM
                    This technical note serves as a guideline to selecting the best solid state detector with the Fluorolog-QM modular research spectrofluorometer for a given series of photoluminescence experiments.
                    Photoluminescence Upconversion with the Fluorolog-QM
                    Photoluminescence Upconversion with the Fluorolog-QM
                    The new Fluorolog-QM spectrofluorometers, due to their modularity and advanced software and a universal interface, are an ideal choice for studying multiple aspects of upconversion. This technical note illustrates the use of Fluorolog-QM-75-21 for spectral and time-resolved characterization of these materials.
                    PLQY in NIR with Fluorolog-QM and K-Sphere
                    PLQY in NIR with Fluorolog-QM and K-Sphere
                    The Fluorolog-QM fluorescence spectrometer with an integrating sphere option is an excellent choice for PLQY measurements in NIR. The K-Sphere is very convenient and easy to use, as it couples directly to the sample compartment optics and allows a use of external light sources, such as DPSS lasers, which can be attached to the front of the sample compartment. The sphere has holders for cuvettes, slides and powders that can be easily interchanged. The results demonstrate very good reproducibility and precision for NIR PLQY measurements spanning almost two orders of magnitude. Based on multiple measurements, the demonstrated PLQY standard deviations range from 1.3% for high QY value (77%) to 6.4% for the QY below 1%.

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