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E4100 QPD-based force measurement option

E4100 QPD-based force measurement option
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E4100 QPD-based force measurement option
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  • Model: Elliot Scientific E4100

QPD Equipped Optical Tweezers System for Force Measurement   

E4100 Quadrant Photodetector Force Measurement Option   

Many researchers wish to measure trapping force: so by imaging an interference pattern onto a quadrant photodetector (QPD) and utilising dedicated software, an operator can monitor the position of a trapped particle with nanometer resolution.

The E4100 measurement software also allows the user to calibrate the motion of a single trapped object and thus makes it possible to calculate the forces exerted - this makes optical tweezing particularly attractive for a growing number of scientists probing bio-mechanical systems.

Several different configurations to match possible user requirements are available within the E4100 range. Elliot Scientific can supply a complete Force Measurement Optical Tweezers plug'n'play system, or this capability can be added to an existing Tweezers installation.

Retrofitting to a good quality microscope is also a viable alternative if there are budget limitations.

Multiple QPDs and/or an auxiliary probe beam are among a number of options also on offer.

Application Notes and Papers
Elliot Scientific Optical Tweezers Application Note PDFs and accompanying Videos:

Are you an academic on LinkedIn? If so, why not join our Optical Tweezers & Laser Trapping group.



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File NameSizeLink
brochures/Tweezer_Brochure_2019_Web_525.pdf724.66 kbDownload
ES 3x3 Grid Manipulation_525.wmv6.12 MbDownload
ES 5x5 Grid Manipulation_525.wmv6.8 MbDownload
ES HEK Adhesion_525.wmv6.85 MbDownload
ES HL60 Optoinjection 1_525.wmv5.65 MbDownload
ES HL60 Optoinjection 2_525.wmv8.39 MbDownload
ES RBC Array_525.wmv7.84 MbDownload
ES RBC Flip_525.wmv4.59 MbDownload
ES RBC Stretch 1_525.wmv4.62 MbDownload
ES RBC Stretch 2_525.wmv4.55 MbDownload
ES TRA 3x3 Array_525.wmv4.04 MbDownload
ES_Tweezer_Application_Note_001_525.pdf850.75 kbDownload
ES_Tweezer_Application_Note_002_525.pdf970.21 kbDownload
ES_Tweezer_Application_Note_003_525.pdf771.71 kbDownload
ES_Tweezer_Application_Note_004_525.pdf797.25 kbDownload
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