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FAQ:
Q: What is an optical tweezer and how does it work?
A: Optical Tweezers, or traps as they are often called, are created by using a high numerical aperture objective to tightly focus a laser beam, thereby creating a spot where a particle with dimensions on the order of microns will experience a force due to transfer of momentum from the scattering of photons.
Q: What are otkb/m modular optical tweezers?
A: Thorlabs’ OTKB (/M) Modular Optical Tweezers provide users with a tool for trapping and manipulating microscopic-sized objects. These laser-based tweezers, or traps, have been employed in numerous biological experiments.
Q: Can I use the modular optical tweezers system if I am exposed?
A: Thorlabs’ Modular Optical Tweezers System uses a 976 nm, 300 mW laser. Exposure to the laser beam is possible, and the system should be treated as a Class 3B laser. Appropriate safety procedures and care must be taken including, but not limited to, the use of laser safety glasses.