Optical projector, tension tester, pressure tester and torsiometer are the testing instruments. Testing results can be typed automatically.
检测设备有光学投影仪、拉、压、扭力测试仪，检测结果由测试仪自动打印。
2
Project, the author is responsible for optical design of the lens, structure, electronic box circuit, software and hardware design of the laser power-tester.
在本文中，作者负责激光功率计的镜头光学设计、结构设计，电子箱电路软硬件设计工作。
3
This paper introduces a phase change optical disk static tester with high performance but low cost based on a commercial optical disk drive.