نتایج جستجو برای: light dispersion

تعداد نتایج: 455082  

2006
R. Ibata S. Chapman M. Irwin G. Lewis N. Martin

We present a spectroscopic survey of the newly discovered Canes Venatici dwarf galaxy using the Keck/DEIMOS spectrograph. Two stellar populations of distinct kinematics are found to be present in this galaxy: an extended, metal-poor component, of half-light radius 7.8+2.4 −2.1 arcmin, which has a velocity dispersion of 13.9+3.2 −2.5 km s −1, and a more concentrated (half-light radius 3.6+1.1 −0...

1999
Lei Wang

The use of a programmable pulse shaper for spectral phase coding of broadband incoherent light is discussed. Our experiments result in tailoring of the electric field cross-correlation function between the shaped and the original unshaped light. This technique is illustrated through several examples, including binary spectral phase filtering, gray-level spectral phase filtering using quadratic-...

Journal: :The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science 1836

Journal: :Journal of the Optical Society of America B 2020

Journal: :Physical review letters 2004
Grover A Swartzlander Joanna Schmit

Interference measurements of a polychromatic partially coherent light source verify the existence of a temporal correlation vortex. Topological dispersion is found to destabilize this singularity.

Journal: :Journal of Physics: Conference Series 2010

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