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Optical Tweezers Systems - Computer controlled trapping

  • Manufactured by: Elliot Scientific

Quick Overview

E3500 Series Optical Tweezers System   

Laser manipulation system based on 2018 Nobel Prize-winning “optical tweezer” technology (wikipedia)

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Description

E3500 Series Optical Tweezers System   

Laser manipulation system based on 2018 Nobel Prize-winning “optical tweezer” technology (wikipedia)

 

The E3500 Optical Tweezers System is a fully functional computer controlled unit for the multiple spot trapping and manipulation of micron sized particles. It is designed to be attached to high quality commercial instruments, upgrading them to Photonic Force Microscopes, especially useful in mechanobiology experiments and biomechanics.
 
The ease of use and flexibility of the system allow many optical trapping experiments to be undertaken. In biophysics for example, with applications such as cell sorting and microrheology. In chemistry, for colloid research, and in physics for particle spectroscopy.

 

Features

 

- Fully independent control of multiple optical traps
- Cell manipulation using PC controlled acousto-optic beam steering optics or microscope XY stage
- Graphical user interface for mouse control of optical traps
- Z trapping using microscope focus stage
- Linear or circular trapping arrays with variable spacing and rotation
- Multiple independent arrays
- Attaches to microscope camera or epi-fluorescence port
- 1070 nm fibre laser with variable power
- High speed camera

 

Mutiple Spot Optical Tweezers System

 

The E3500 is a commercial attachment for high quality microscopes for users wishing to undertake multiple beam particle trapping and manipulation experiments. It is suitable for working with micron sized particles and can be used for cell manipulation using either the computer controlled beam steering optics or the microscope XY sample stage.
 
The system comprises an optical module containing the laser, beam steering optics and the microscope interface and the control module with the drive electronics, computer and unique control software.

 

Optical Tweezer

This system, based on a Nikon microscope, utilises a high-power fibre-coupled laser for trapping and a low-power fibre-coupled laser as the probe beam

 

The optical module attaches to the microscope either through an additional module such as an epi-fluorescence attachment or a camera port. A range of interfaces is available depending on the make and model of microscope.
 
Beam control is provided by high speed acousto-optic beam deflectors. The unique design of the software and control electronics allow for the creation and independent manipulation of multiple optical traps anywhere within the field of view.
 
The high speed GigE interface camera allows visualisation of the trapped particles through the computer interface. The trap positions are overlayed on the video image to allow easy trapping of particles.
 
The 1070 nm fibre laser gives a stable high quality TEM00 beam with an M2 of 1.05. This high beam quality when used with high NA microscope objectives gives the tightly focused Gaussian spot required for efficient optical traps in both XY and Z directions. Variable power is available for changing the strength of the optical trap.
 
Software control 
 
Optical traps are created and positioned by mouse control in the easy to use software. These traps can be single spots, line arrays or circular arrays. The spacing, orientation and number of traps can be easily adjusted from the control panel in the software. Additional traps can be added or removed at any time without affecting existing traps. Multiple arrays and spots can be manipulated totally independently of each other.

 

 

 

 

Specifications
Model E3500 Optical Tweezers System comprises:

Optical module with microscope interface
Acousto-optic beam steering optics
1070 nm laser with power monitor and display
Electronics module with AO modulator drivers and computer interface
Computer with electronics interface modules
Computer monitor
GUI control software
High speed video camera
Laser blocking filter

 

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