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.
Twin sisters Tatyana Arntgolts and Olga Arntgolts born in Kaliningrad, Russian SFSR, Soviet Union. In a family of actors of the Kaliningrad Regional Drama Theater: Honored Artist of the RF Albert Arntgolts and actress Valentina Arntgolts (nÃ©e Galich). She has an identical twin sister Olga, who is also an actress.