E 3100 OPTICAL TWEEZER SYSTEM
Elliot Scientific Ltd.Request Info
Optical tweezers are used in biophysics, biology, chemistry and physics for cell sorting, to measure properties of DNA and to perform spectroscopy of trapped particles. A fully interlocked optical tweezer system for single-beam trapping and manipulation of micron-size particles, the E 3100 manufactured by Elliot Scientific Ltd. of Harpenden, UK, enables their use in a Class 1 laser environment with a compact desktop unit. Using precision manual stages and high-quality imaging optics, the system can manipulate 1-µm particles with submicron accuracy.
It measures 210 × 340 × 290 mm and features an internal diode laser with variable power, power display, an external laser port and backlight illumination with a variable-power cool light source. It includes a 100X oil-immersion objective with a 1.25 numerical aperture, as well as a color CCD camera with S-video out and a laser-blocking filter.
The device performs cell manipulation via conjugate beam-steering optics or a precision X-Y stage, which also can be used for X-Y-Z trapping. Cell rotation of birefringent particles is possible when polarization optics are introduced in a rotation mount.
The system has taken a well-known technique from the physics laboratory and made it accessible to the wider scientific community, enabling progress in the fields of bio- and nanotechnology.
https://www.elliotscientific.com
/Buyers_Guide/Elliot_Scientific_Ltd/c4286
Published: January 2005
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