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Two-element objective lens and spherical aberration correction for digital video recording (DVR)

Smulders, Patrick ; Baartman, Jan P ; Aarts, Jan W ; Hendriks, Benno H. W

SPIE proceedings series, 2000, Vol.4090, p.302-308

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Título:
Two-element objective lens and spherical aberration correction for digital video recording (DVR)
Autor: Smulders, Patrick ; Baartman, Jan P ; Aarts, Jan W ; Hendriks, Benno H. W
Assuntos: Applied sciences ; Electronics ; Exact sciences and technology ; Magnetic and optical mass memories ; Storage and reproduction of information
É parte de: SPIE proceedings series, 2000, Vol.4090, p.302-308
Notas: Conference Date: 2000-05-14|2000-05-17
Conference Location: Whistler, BC, Canada
Descrição: This paper describes the advancements we have made in developing objective lenses and actuators for Digital Video Recording (DVR), which we see as the third generation in optical disk recording. Two generations of DVR prototype systems are presented. The first is an actuator to adjust the inter-lens distance of the two-element objective lens for spherical aberration correction, mounted in a focus/tracking actuator. The second prototype is a more efficient and faster focus/tracking actuator with a rigid two-element objective lens accompanied with an adjustable collimator lens for spherical aberration correction. The latter system is implemented into a prototype bit-engine.
Editor: Bellingham WA: SPIE
Idioma: Inglês

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