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Solea Supercontinuum Lasers

PicoQuant GmbHRequest Info
 
Picoquant Supercontinuum LasersSupercontinuum laser sources with unmatched flexibility in repetition rates. The Solea lasers offer easy wavelength selection with internal or external triggering.

Features:
The Solea lasers are stand alone supercontinuum laser sources with an unmatched flexibility in repetition rates. They are available in four versions, covering two possible spectral domains (from 480 to 700 or 900 nm) and including either a tunable wavelength selector ("Solea", "SoleaR") or directly emitting the supercontinuum spectrum ("Solea White", "SoleaR White"). The Solea lasers are based on a unique combination of gain-switched, fiber-amplified laser diodes with patented fiber pumping control and a state-of-the-art photonic-crystal fiber for supercontinuum generation. The Solea lasers are computer controlled by an easy-to-use graphical user interface for setting pulse repetition rate, central emission wavelength, and spectral width of the output. All variants emit from a polarization maintaining fiber with pulse widths ranging from 90 to 150 ps (wavelength dependent). The lasers can be operated at adjustable repetition rates and triggered either through an internal oscillator, providing six fixed rates between 2.5 and 40 MHz, or by an external source at any rate between 1 and 40 MHz. The wavelength selector is based on a tunable bandpass filter, allowing setting the central wavelength to any value in the supercontinuum spectrum with spectral bandwidths between 3 and 15 nm.

Applications:
The Solea supercontinuum lasers are ideally suited for various applications where flexible wavelength selection as well as high and variable repetition rates are important, such as time-resolved fluorescence spectroscopy, fluorescence anisotropy, single molecule detection, Fluorescence Correlation Spectroscopy (FCS), as well as for a variety of microscopy techniques.


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GLOSSARY
fluorescence correlation spectroscopy
A powerful method, referred to as FCS, for determining the average diffusion coefficients of fluorescent molecules in solution or membranes. FCS measurements rely on recording the transition of several thousands of molecules through the focal volume. The combination of short measurement times along with free positioning or scanning of the observation spot makes FCS an excellent tool for investigating diffusion heterogeneity over time and space.
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