Laser Doppler Velocimetry (LDV) Measurement Systems with PowerSightâ¢ Solid State Laser Modules. Laser Doppler velocimetry is a well-proven technique that measures fluid velocity accurately and non-invasively. Measurements are made at a point (a small, non-intrusive optical probe volume) defined by the intersection of two laser beams.
Ethnicity: Afro-Panamanian, Indo-Trinidadian. Tatyana Ali is an American actress, model, and R&B singer. She is famous for playing Ashley Banks on the television series The Fresh Prince of Bel Air. Her father, Sheriff Ali, is of East Indian ancestry, from Trinidad and Tobago. Her mother, Sonia, is of Afro-Panamanian heritage.
About. 1  Tatyana Arntgolts is a 34 year old Russian Actress. Born Tatyana Albertovna Arntgolts on 18th March, 1982 in Kaliningrad, Kaliningrad Oblast, USSR [now Russia], she is famous for And Still I Love..., 2008 in a career that spans 1999âpresent. Her zodiac sign is Pisces.