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Laser Components Germany GmbH
Werner-von-Siemens-Str. 15
82140 Olching / Germany

Phone: +49 (0)8142 / 28 64-0
Fax: +49 (0)8142 / 28 64-11

E-Mail:info@lasercomponents.com

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COUNT® T – Single Photon Counter for Time-correlated Applications

Photonics News No 76

Timing at Its Best: We’ll Count for You


D76-029

In time-correlated single photon counting (TCSPC), single photons are not only counted, but the time of detection is also determined based on a reference signal. Here, a laser pulse generally serves as a reference. This method is a statistical counting method.

TCSPC is used in particular in fluorescence lifetime measurements. This method is often compared to a stop watch: A laser pulse excites a sample (time start); just a few pico or nanoseconds later, a “fluorescence photon” is released (time stop). This time is recorded in a histogram. After many start-stop passes, a conclusive histogram is created that displays the intensity of the fluorescence depending on time.

The COUNT® T is equipped with an avalanche photodiode (active area of 150 µm) produced in house and features a high detection efficiency of >80% and a temporal resolution of up to 350 ps.

In addition to fluorescence lifetime measurement (FLIM), the timing module is used in time-resolved fluorescence and single-molecule spectroscopy, as well as LIDAR applications. The technical data of the COUNT® T is given in the datasheet, which can be downloaded under the link provided.


Datasheet:

Further product information:
Single Photon Counting Modules

Manufacturer:
LASER COMPONENTS Germany / Photon Counting

Contact:

Contact Person:    Dr. Mike Hodges
Company:    Laser Components Germany GmbH
Address:    Werner-von-Siemens-Str. 15
ZIP / City:    82140 Olching
Phone:    +49 (0) 8142 2864-50
Fax:    +49 (0) 8142 2864-11
Email:    mike.hodges@lasercomponents.com
 

COUNT<sup>®</sup> T

COUNT® T - Time Correlated Single Photon Counting Module

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Laura Dreßler

+49 (0) 8142 2864-135