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Optical Tweezers A highly focused laser beam creates a force attracting particles to the center of the beam. This electric field gradient, typically in the order of piconewtons, can be used to trap and manipulate microscopic particles and is particularly useful for biological single cell manipulation. The single cell can be held in the beam waist, the point which forms the center of the beam for further analysis such as IR or Raman spectroscopy. By trapping a number of particles in different laser beams inter molecular forces can be investigated.
The laser used for optical tweezing and trapping can be a range of different wavelengths, but it is common to use the Infrared region when working with biological samples to reduce absorption of light energy that can cause cell heating. The laser should however have a good beam quality with an M2 close to unity and a high pointing stability to maintain the position of the focus and beam waist.
Optical Tweezers Lasers
| Product | Wavelength | Description | Starting At | In Stock | |
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 | 532 nm Best Seller! | 532 nm DPSS Laser System 5 - 300 mW Output Power | $1,437.00 | Specs |
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 | 1064 nm Best Seller! | Environmentally Sealed 1064 nm DPSS Laser System 100 - 1000 mW Output Power | $2,186.00 | Specs |
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 | 1064 nm Best Seller! | 1064 nm Low-Noise DPSS Laser System 100 - 1000 mW Output Power | $2,274.00 | Specs |
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| 1064 nm Best Seller! | 1064 nm DPSS Laser System 100 - 1000 mW Output Power | $2,274.00 | Specs |
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 | 532 nm Best Seller! | 532 nm Low-Noise DPSS Laser System 5 - 200 mW Output Power | $3,296.00 | Specs |
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| 532 nm Best Seller! | Fanless Fanless 532 nm DPSS Laser System 500 - 1000 mW Output Power | $4,104.00 | Specs |
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| 1064 nm Best Seller! | 1064 nm Low-Noise DPSS Laser System 2000 - 2000 mW Output Power | $4,485.00 | Specs |
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| 532 nm Best Seller! | Environmentally Sealed 532 nm DPSS Laser System 10 - 300 mW Output Power | $4,668.00 | Specs |
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 | 1064 nm Best Seller! | 1064 nm Single-Longitudinal-Mode DPSS Laser System 50 - 1000 mW Output Power | $4,805.00 | Specs |
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| 532 nm Best Seller! | 532 nm Low-Noise DPSS Laser System - mW Output Power | $5,032.00 | Specs |
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| 532 nm Best Seller! | Fanless 532 nm Low-Noise DPSS Laser System 500 - 1000 mW Output Power | $5,304.00 | Specs |
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| 532 nm Best Seller! | 532 nm DPSS Laser System 2000 mW Output Power | $5,478.00 | Specs |
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 | 532 nm Best Seller! | Fanless 532 nm Single-Longitudinal-Mode DPSS Laser System 5 - 300 mW Output Power | $5,478.00 | Specs |
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| 1064 nm Best Seller! | 1064 nm DPSS Laser System 4000 - 5000 mW Output Power | $6,321.00 | Specs |
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| 532 nm Best Seller! | 532 nm Low-Noise DPSS Laser System 2000 - 2000 mW Output Power | $6,776.00 | Specs |
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| 532 nm Best Seller! | 532 nm DPSS Laser System 3000 - 5000 mW Output Power | $6,958.00 | Specs |
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| 1064 nm Best Seller! | 1064 nm Low-Noise DPSS Laser System 4000 - 5000 mW Output Power | $7,330.00 | Specs |
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| 1064 nm Best Seller! | 1064 nm DPSS Laser System 10000 - 20000 mW Output Power | $10,242.00 | Specs |
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| 532 nm Best Seller! | 532 nm Single-Longitudinal-Mode DPSS Laser System - mW Output Power | $10,242.00 | Specs |
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| 532 nm Best Seller! | 532 nm DPSS Laser System 8000 - 20000 mW Output Power | $11,375.00 | Specs |
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| 1064 nm Best Seller! | 1064 nm Low-Noise DPSS Laser System 10000 - 20000 mW Output Power | $16,891.00 | Specs |
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| 532 nm Best Seller! | 532 nm Single-Longitudinal-Mode DPSS Laser System 500 - 1000 mW Output Power | $16,927.00 | Specs |
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| 1064 nm Best Seller! | 1064 nm Single-Longitudinal-Mode DPSS Laser System 2000 - 10000 mW Output Power | $18,707.00 | Specs |
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| 532 nm Best Seller! | 532 nm Single-Longitudinal-Mode DPSS Laser System 2000 - 5000 mW Output Power | $21,263.00 | Specs |
Here are a list of research papers that reference Laserglow Technologies products in their Optical Tweezers.
| Paper Title | Date Published | University | Product Used In Research | A Lithography Free and Field Programmable Photonic Metacanvas | December 2017 | Tianjin Key Laboratory of Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University | 690 nm |
|---|---|---|---|
| Double nanohole aperture optical tweezers: towards single molecule studies | August 2016 | University Of Victoria | 671 nm |