PI rotary stage has utility in optical alignment
The A-688 custom rotary stage features air bearings, a frameless, slotless torque motor, and optical encoders. Designed for optical alignment, metrology, inspection, calibration, and scanning, the direct drive unit has a ~260 mm clear aperture, 77 kg load capacity, 0.0015 µrad maximum resolution, 500 rpm max., flatness/eccentricity of <175/300 nm, and wobble <1 µrad.
PI (Physik Instrumente)
Auburn, MA
LFW Staff
Published since 1965, Laser Focus World—a brand and magazine for engineers, researchers, scientists, and technical professionals—provides comprehensive global coverage of optoelectronic technologies, applications, and markets. With 80,000+ qualified print subscribers in print and over a half-million annual visitors to our online content, we are the go-to source to access decision makers and stay in-the-know.