K2 Frequency-Domain Fluorometer
Description
The K2 family of frequency-domain fluorometers provides researchers with a solid, well-proven instrumentation platform for the most demanding fluorescence and phosphorescence applications.
With installed units all over the world, the K2 family of Multifrequency Cross-Correlation Phase and Modulation Fluorometers represents a solid and well-proven approach to fluorescence and phosphorescence instrumentation for the research laboratory. The K2 is used by researchers at the ETH in Zurich, Switzerland, the MIT in Cambridge, MA, the NIH in Rockville, MD, and at the NASA research facility in Huntsville, AL.
Its optical design and automatic instrument control are state-of-the-art for steady-state and time-resolved fluorescence measurements. Full automation and the user-friendly Vinci software package make the instrument easy to use for both, the student and the scientist.
Three models of K2 are available, and each comes fully automated and upgradeable.
K2-001 with K2 FastScan
The FastScan is our most popular model: lifetime data acquisition on a routine sample can be acquired in less than one minute using either a lamp or a laser. The cross-correlation is user-selectable up to 5,000Hz and data acquisition is performed through a FFT routine; the instrument covers the modulation frequency range from 300KHz up to 350MHz with a lamp and up to 450MHz using a cw laser.
K2-002 1.2GHz Upgrade
This model requires a mode-locked laser as excitation source and a microchannel plate detector (MCP-PMT) for the collection of fluorescence. Alternatively, a laser diode can be utilized as the light source to measure frequency responses up to about 1GHz. The cross-correlation is user-selectable up to 5,000Hz and data acquisition is performed through a FFT routine. It includes the FastScan upgrade and operates at modulation frequency up to 1.2GHz.
K2-003 6GHz Upgrade
The K2-003 is an upgrade of the K2-002: it operates in the frequency range up to 6GHz.
K2 Frequency-Domain Fluorometer
Specifications |
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|---|---|
| Excitation Source: | Laser, Incoherent, Custom |
| Grating (Excitation): | N/A groove/mm |
| Blaze (Excitation Grating): | N/A nm |
| Grating (Emission): | N/A groove/mm |
| Blaze (Emission Grating): | N/A nm |
| Bandpass: | 00-00nm |
| Detection: | Custom, CCD Camera, Photomultiplier Tube (PMT) |
Features
- Lifetime measurement capabilities from 1 millisecond to 1 picosecond
- Complete lifetime scans in less than one minute on routine samples with proprietary FastScan technology
- A compact footprint and a short optical pathlength for maximum sensitivity and efficient light coupling into the sample
- T-format and parallel beam optical design for fast and precise polarization measurements
- Full automation of all instrument components (cuvette holder, polarizers, shutters, filterwheel, monochromators, and stirrers)
- PC-controlled integration of temperature bath, titrator, stopped-flow apparatus and pressure pump
- Measurement of fast kinetics data with one millisecond resolution in photon counting mode
- 80 MHz pre-amplifier discriminators delivering linearity up to over eight million counts per second on each channel
- Flexible instrument configuration
- Upgradeable with Ti:Sapphire laser and laser diodes
For pricing, technical or any other questions please contact the supplier
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Frequently Asked Questions
Yes, each model of the K2 Frequency-Domain Fluorometer is fully automated and upgradeable. It can be upgraded with Ti:Sapphire laser and laser diodes.
There are three models of the K2 Frequency-Domain Fluorometer: K2-001 with K2 FastScan, K2-002 1.2GHz Upgrade, and K2-003 6GHz Upgrade.
The FastScan technology of the K2-001 model allows lifetime data acquisition on a routine sample to be acquired in less than one minute using either a lamp or a laser.
The K2 Frequency-Domain Fluorometer is used for fluorescence and phosphorescence applications in research laboratories.
The K2-001 model covers the modulation frequency range from 300KHz up to 350MHz with a lamp and up to 450MHz using a cw laser.