EPLED Series
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EPLED SERIES Picosecond Pulsed UV & Vis LEDs The EPLED picosecond pulsed LEDs are ideal excitation sources for fluorescence lifetime measurements providing coverage in the UV and visible ranges. In Time-Correlated Single Photon Counting (TCSPC) they bridge the gap between the nanosecond flashlamp and expensive mode-locked Titanium sapphire femtosecond lasers. In addition, their external trigger capability makes them suitable for standalone operation in a wide range of spectroscopy applications. The EPLEDs are pre-adjusted for an optimum pulse width, with particular attention paid to reducing a long tail in the temporal profile. KEY FEATURES Optimised for TCSPC 15 pre-set repetition frequencies from 2.5 KHz to 20 MHz External trigger capability Spectrally purified output Fully integrated & compact design Extremely low RF radiation Optimised collimated beam Drive electronics included EPLEDs are robust, maintenance free, easy to operate and have proprietary beam conditioning optics.

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Typical Pulse Width (FWHM) (ps) Maximum Pulse Width (FWHM) (ps) Spectral Width (FWHM) (nm) Typical Average Power @20 MHz (µW) Laser Class Repetition Rate Bias Supply Trigger Output Interlock Input Hirose HR10A-7P-4P(73), (Link pin 1 and pin 2 to ground – interlock healthy) Trigger Input Hirose HR10A-7P-4P(73), (Signal pin 4 and ground pin 3) Trigger Input Signal TTL > 50 ns pulse. Trigger on rising edge. 0.0 V < Low level < 0.5 V, 2.5 V < High level < 5 V Spectral Conditioning Built-in filter to minimise out-of-band emission (no external spectral filtering needed) Physical Dimensions...

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