Request InfoSTANDA UABThe 10APH79T-1CVAF variable attenuator/beamsplitter manufactured by Standa Ltd. for femtosecond laser pulses comprises two Brewster-type polarizing optical components placed in an optomechanical holder to reflect s-polarized and transmit p-polarized light. The device divides the laser beam into two parallel beams. A quartz phase λ/2 plate is placed in the incident polarized beam and, as it rotates, the intensity ratio of the two beams is continuously varied, without altering other parameters. 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