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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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        Fluorolog-QM Showcase

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

                          Time-Resolved Electroluminescence with Fluorolog-QM
                          Time-Resolved Electroluminescence with Fluorolog-QM
                          The Fluorolog-QM’s advanced modularity supports the characterization of electroluminescent materials across a broad time range, from nanoseconds to seconds, without the need for external devices.
                          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%.
                          Kinetic Fluorescence Determination of Vitamin B1
                          Kinetic Fluorescence Determination of Vitamin B1
                          This technical note describes kinetic fluorescence as an analytical technique to quantify non-fluorescent species. The technique is applied to the determination of thiamine (vitamin B1) in solution.
                          Holistic Analysis of Mammalian Cell Proliferation using Fluorescence Spectroscopy
                          Holistic Analysis of Mammalian Cell Proliferation using Fluorescence Spectroscopy
                          Monitoring culture media conditions is highly important for industries in order to improve cell proliferation for applications such as regenerative medicines and protein synthesis.
                          Endogenous Skin Fluorescence In Vivo on Human Skin
                          Endogenous Skin Fluorescence In Vivo on Human Skin
                          The fluorescence spectra of intrinsic protein fluorophores have been studied extensively and used in investigating biological events.
                          Fluorescence on Small or Solid Samples
                          Fluorescence on Small or Solid Samples
                          Samples can be valuable. Either you don’t want to waste them, or you may not have very much starting material. Biological proteins and enzymes, for example, are often obtained in small volumes and may be expensive.
                          Recording Fluorescence Quantum Yields
                          Recording Fluorescence Quantum Yields
                          When a fluorophore absorbs a photon of light, an energetically excited state is formed. The fate of this species is varied, depending upon the exact nature of the fluorophore and its surroundings, but the end result is deactivation (loss of energy) and return to the ground state.
                          Photoluminescence Spectroscopy of Quantum Dots
                          Photoluminescence Spectroscopy of Quantum Dots
                          Quantum dots (QDs) have potential applications in optoelectronics, biosensing, biolabeling, memory devices, and sources of laser light.

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                          Rapid Peltier-based temperature-controlled sample holders

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                          Solid Sample Tray

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