Elliot Scientific is pleased to announce that it has added new systems to its already successful Optical Tweezer E3100 and E3200 ranges. Until now optical (or laser) tweezers have been confined to specialised researchers using complex microscopes. These new systems offer the ability to retrofit existing microscopes and bring optical tweezing into the lab at an affordable price.
The new E3300 is a single spot system designed for trapping and manipulation of micron sized particles. The system comprises an optical module containing the laser, beam steering optics and the microscope interface. The optical module attaches to the microscope either through an additional unit, such as an epi-fluorescence attachment, or a camera port.
The laser beam containing the trapped particle can be directed anywhere within the field of view by manually steering the conjugate optics. Alternatively, the particle can be held trapped in place and the bulk sample moved around it using the microscope XY stage. For applications involving rotation of birefringent particles, an optional polarization optic and rotation mount can be added.
The flagship E3400 is for users wishing to undertake multiple beam particle trapping and manipulation experiments. Beam control on the E3400 is provided by high speed acousto-optic deflectors driven by a computer controlled module. The supplied software is designed to allow for the creation and independent manipulation of multiple optical traps anywhere within the field of view in X and Y directions. A high-speed GigE interface camera allows visualization of the particles making trapping and tracking easy.