Spectral analysis by a video camera in a holographic optical tweezers setup

• Autorzy: Drobczynski S , Dus-Szachniewicz K , Symonowicz K. , Glogocka D

Identyfikatory

DOI

DOI: 10.5277/oa130410

• Języki publikacji: EN

Abstrakty

EN

We discuss the basic parameters of the holographic tweezers equipped with a diode laser and cheap video camera. We compare these parameters with the system using a fast camera and high power Nd:YAG laser. The measured parameters are: the power spectra density calculated from tracing the position of the micron polystyrene beads and the trap stiffness. We show that this cheap optical tweezers system is sufficient for experiments in microbiology.

Słowa kluczowe

EN

holographic optical tweezers; power spectrum density; video analysis

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2013
• Tom: Vol. 43, nr 4
• Strony: 739--746
• Opis fizyczny: Bibliogr. 11 poz., rys., wykr.

Twórcy

autor

Drobczynski S

• Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

autor

Dus-Szachniewicz K

• Department of Pathology, Faculty of Medicine, Wrocław Medical University, Marcinkowskiego 1, 50-368 Wrocław, Poland

autor

Symonowicz K.

• Department of Pathology, Faculty of Medicine, Wrocław Medical University, Marcinkowskiego 1, 50-368 Wrocław, Poland

autor

Glogocka D

• Laboratory for Biophysics of Lipid Aggregates, Institute of Biomedical Engineering and Instrumentation, Wrocław University of Technology, pl. Grunwaldzki 13, 50-377 Wrocław, Poland

Bibliografia

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• [9] VAN DER HORST A., FORDE N.R., Power spectral analysis for optical trap stiffness calibration from high-speed camera position detection with limited bandwidth, Optics Express 18(8), 2010, pp. 7670–7677.
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