An improved CRT projection tube resolution measurement system

Quan Jiang; Jian-bo Cheng; Jun-jian Li; Zu-lun Lin; Qi-jun Ran

doi:10.1117/12.678597

23 February 2006 An improved CRT projection tube resolution measurement system

Quan Jiang, Jian-bo Cheng, Jun-jian Li, Zu-lun Lin, Qi-jun Ran

Proceedings Volume 6150, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 615036 (2006) https://doi.org/10.1117/12.678597
Event: 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2005, Xian, China

Abstract

Based on modulation transfer function (MTF), a CRT projection tube resolution measurement system has been developed. This system features auto optical focusing and voltage focusing. It has high resolution, fast measuring speed and friendly operation interface. The results indicate that the error of the system is within ±4% by measuring the standard optical slit ranging 30μm to 500μm, while repeatability is better than 95%. Moreover, the measured data demonstrate that the resolution of YAG projection tube can meet the demands of HDTV.

Citation Download Citation

Quan Jiang, Jian-bo Cheng, Jun-jian Li, Zu-lun Lin, and Qi-jun Ran "An improved CRT projection tube resolution measurement system", Proc. SPIE 6150, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 615036 (23 February 2006); https://doi.org/10.1117/12.678597

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