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April 9, 2020

PicoQuant combines high timing precision with ultrashort dead time

New versions of the high-throughput multichannel event timer MultiHarp 150 with 10 ps digital resolution are now available

PicoQuant’s multichannel event timer MultiHarp 150 offers the best time resolution for event timers with sub-nanosecond dead time available on the market.PicoQuant releases three new models of the high-throughput multichannel event timer MultiHarp 150: MultiHarp 150 4P, 8P, and 16P. The units with either 4, 8, or 16 detection channels offer improved timing precision with 10 ps minimum bin width, along with jitter better than 45 ps (root mean square). This is the best time resolution for event timers with sub-nanosecond dead time available on the market. The new MultiHarp 150 models are PicoQuant's latest benchmark TCSPC electronics for fast and high-resolution fluorescence lifetime imaging (rapidFLIM) and multichannel photon correlation.

The up to 16 detector channels and the common SYNC input of a MultiHarp 150 are all independent and synchronized. The SYNC input can also be used as either an additional detection channel or for a periodic reference signal with repetition rates up to 1.2 GHz. Depending on the configuration of the computer, the MultiHarp 150 can sustainably capture and transfer 80 million time tags per second with single channel peak rates of up to 1.5 Gcps for short times. Thanks to its hardware-integrated 65536 bin histogrammer, count rates up to 166 million counts per second (Mcps) in total for 4 or 8 channel versions and up to 332 Mcps for the 16 channel version can be achieved in lifetime measurements, while keeping both the data transfer to the PC and the CPU utilization low.

All variants of the MultiHarp 150 are easy-to-use and versatile USB 3.0 tabletop units, making them a great choice for many time-resolved applications in life and materials science, as well as metrology and single photon based quantum technologies. Like the previous versions, they are prepared for use in White Rabbit timing networks for synchronization over long distances. PicoQuant's confidence in the quality and robustness of the MultiHarp 150 is underpinned by a 5-year warranty.



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