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T weez 200 si System

T weez 200 si System. Aresis Advanced Research Instrumentation Solutions. 1. Technical leadership. Key t echnical parameters. Resolution and accuracy Uniformity (of intensity / trap stiffness) Linearity (of AOD response) S ystem stability Speed (ghost trap elimination).

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T weez 200 si System

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  1. Tweez 200siSystem Aresis Advanced Research Instrumentation Solutions

  2. 1. Technical leadership

  3. Key technical parameters • Resolutionand accuracy • Uniformity (of intensity / trap stiffness) • Linearity (of AOD response) • System stability • Speed (ghost trap elimination)

  4. Resolution and accuracy - definition Resolution: Accuracy: how precisely we can regulate relative distance between two traps (1 and 2) how precisely we can hold the trap in one position 1 1 1 2 δ = δ(t) Δ

  5. Resolution– Tweez 200si performance Trap positioning resolution in Tweez 200si is < 0.001 nm - well below the detection limit of particle’s position resolution. Relative distance between two traps of which one is sine modulated with amplitude 100nm and frequency 1Hz. Power spectrum of mean square displacement between the two traps.

  6. Accuracy – managing thermal drift Positions of trap 1 (at X1) and trap 2 (at X2) are slowly drifting (~4 nm/min). Relative distance of trap 1 (at X1) and trap 2 (at X2) remains stable with time (~0.05 nm/min).

  7. Uniformity (of intensity / trap stiffness) How uniform is the trap stiffness over the working field? Deviation of the AOD response reduced from ~30% to below 1%.

  8. Linearity (of AOD response) How linear is the trap stiffness with respect to AOD RF driving power? Deviation from linearity of the AOD response is reduced to below 1%.

  9. Stability and speed

  10. Ghost-trap elimination How effectively are the ghosttraps eliminated at high trap-to-trap switching rates? Tweez 200si system Ghost traps are reduced from relative intensity of 25% to below 0.1%.

  11. 2. Integrated design

  12. Integrated design of Tweez 200si system Tweez 200si Optical Unit (TOU) Tweez 200si Control Unit (TCU) Tweez 200siIR Laser Unit (TILU) Tweez 200si mounted on Nikon Eclipse TE 2000 with TIRF module installed.

  13. Tweez 200si TCU and TILU TCU TILU Size of both units mounted on each other: 430 mm x 300 mm TCU connected to PC via USB TCU connected to TOU via RF and control cables TILU connected to TOU via optical fiber

  14. Tweez 200si TOU

  15. Tweez 200simounts directly ona microscope body Slika Stran 2 v prospektu levo spoda, Lahko še slika, ki pokaže, kako je TWEEZ povezan z Nikonom Key benefits: • Complete turn-key system • Compatible with Nikon microscope add-ons (TIRF, confocal, etc.) • Ports to other Nikon modules remain open

  16. Intuitive and powerful Tweez 200si software • Tweez 200si advanced manipulation features • extended trapping patterns in the form of: • point traps – single diffraction limited laser spot, • complex traps – user defined pattern of laser spots. • trap automationin the form of: • manual traps – moved and adjusted manually (mouse control), • automated traps – trap is moved (rotated/scaled if it is a complex trap) automatically on a user defined path.

  17. Tweez 200sicontrol window example 4 Examples of software use (movie) Screen shot shows three traps. Trap 1 is a complex trap (green square pattern) periodically moved, scaled and rotated on a circular path. Traps 2 and 3 are manual traps moved with mouse cursor.

  18. 3. Customer support

  19. Customer support • Technical consulting (choice of microscope components, e.g. objective etc.) • Training • E-mail hotline (info@aresis.com) • Remote software and firmware upgrades • 1 year limited warranty on materials and craftsmanship • Fast service times

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