High Accuracy Piezo Actuator PZT for optical fiber stretch
Piezo Actuator PZT,optical fiber stretch,High Accuracy
Type:PSt150/14*14/20
Material Properties
Material: PZT(PZT5H)
- ref:5400
Loss factor: 200*10-4
Coupling factor:KP=0.62, K31=0.34, K33=0.68
Piezo coefficient:d31=-290pm/V, d33=+635pm/V
- :S33E=18.1*10-12m²/N, S11E=14.8*10-12m²/N
Frequency constant: Radial=2040m/sec, Thickness=1800m/sec,
Transverse=1410m/sec,
Longitudinal=1370m/sec
Quality factor(resonance): 70
Density:8g/cm³
Curie temperature: 150°C
Specific heat:380Ws/°K kg
Thermal conductivity: ca.1.5 Ws/m·K(axial direction)
Above-mentioned parameters can vary significantly with the
operating electrical field strength.
Temperature
Operating temperature:-50~+100°C(according to resin). If >100°C, PZT performance will be reduced reversibly Above Curie temperature, piezo actuators will be permanently depolarized.
Technical data
- [μm]±15%:28/20
- [μF]±20%:14.5
Stiffness [N/μm]±20%:500
Resonant frequency [kHz]±20%:47
Blocking Force [N]:15000
Mass [g]±5%:31.3
Applications
Fiber stretching
Active vibration control
Piezo dispensing valve
Precision positioning
Piezo deformable mirror
Piezo gripper
Laser cavity tuning
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