We explore a simple, inexpensive approach to large particle manipulation using diode laser bar optical trapping. This method overcomes limitations that prevent conventional point laser traps from effectively directing large particles. Expanding a previously developed line optical trap model into larger particle regimes, we verify and examine the advantages and limitations of diode laser bar trapping for manipulating particles greater than 100 µm in diameter within fluidic environments for biochemical, biological, and biomedical applications.
Tuesday, September 15, 2009
Particle size limits when using optical trapping and deflection of particles for sorting using diode laser bars
Robert W. Applegate Jr., David W. M. Marr, Jeff Squier, and Steven W. Graves
We explore a simple, inexpensive approach to large particle manipulation using diode laser bar optical trapping. This method overcomes limitations that prevent conventional point laser traps from effectively directing large particles. Expanding a previously developed line optical trap model into larger particle regimes, we verify and examine the advantages and limitations of diode laser bar trapping for manipulating particles greater than 100 µm in diameter within fluidic environments for biochemical, biological, and biomedical applications.
We explore a simple, inexpensive approach to large particle manipulation using diode laser bar optical trapping. This method overcomes limitations that prevent conventional point laser traps from effectively directing large particles. Expanding a previously developed line optical trap model into larger particle regimes, we verify and examine the advantages and limitations of diode laser bar trapping for manipulating particles greater than 100 µm in diameter within fluidic environments for biochemical, biological, and biomedical applications.
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