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Optical Tweezers System: STA-OTS
Optical tweezers, also known as single-beam gradient-force optical traps, enable the manipulation and trapping of particles ranging from nanometers to micrometers in size. These traps are created when a laser beam is focused, and the resulting light pressure holds tiny objects in place. By precisely moving the laser beam, researchers can guide the trapped particles—allowing for precise displacement or even surgical-like operations under a microscope. Importantly, optical tweezers allow non-contact manipulation of microscopic objects, minimizing damage to delicate samples. Essentially, optical tweezers act like an invisible pair of tweezers, seamlessly controlling the movement of targeted particles.
Experimental setup
Features
- Different wavelength lasers can be matched according to the sample.
- A optical tweezers system can be integrated into commercial microscopes.
- Can be upgraded from a single-trap system to a multi-trap system.
- The system features flexible design, allowing other optical components to be easily integrated into the system.
- Simple to operate and easy to get started with.
Experimental Example
A gradient-force optical trap is achieved using a continuous-wave laser, allowing the sample to be moved and trapped precisely at the focal point. This technique enables manipulation and trapping of micrometer-scale samples in liquid environments, with the laser wavelength customizable based on the sample's absorption characteristics.
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Light Tweezers Schematic diagram | Schematic Diagram of an Optical Tweezers System |
Application
PS Microsphere Capture
Cell capture
Research on Red Blood Cell Deformability
Cytoskeletal Viscoelastic Probing
Changchun New Industries Optoelectronics Technology Co., Ltd.
Address: No. 888 Jinhu Road, High-Tech Zone, Changchun, 130103, P.R.China
International Tel:+86-431-85603799
Email: sales@cnilaser.com
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