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Stage Position Metrology Laser Heads Interferometers & Optics Measurement Electronics Cables & Feedthroughs Example Systems

Laser Heads ZMI™ Series - Displacement Measuring Interferometers

ZMI™ lasers provide frequency stabilized, two-frequency output to drive multiple measurement axes. The small ZMI™ 7705 is used with the ZMI™ 501A measurement enclosure to provide two axes of measurement. The larger lasers include features such as more power (7702), water cooling (7714), and separate laser source and delivery modules (7722/7724). These lasers can typically provide enough light to support tens of measurement axes.

Model: 7705 7702 7714 7722/7724
Part Number: 8070-0902-1X 8070-0102-3X 8070-027X-1X  8070-0351-01/
Split Frequency: 3.6 MHz (Zeeman) 20 MHz (AOM)
Output Power: > 250 µW > 400 µW > 1250 µW > 900 µW per DM*
Laser Classification: Class II Class IIIa
Frequency Stability (3σ, 1 hr): 10 ppb 2 ppb 0.5 ppb
Beam Size: 4 mm 3 or 6 mm 6 or 8 mm 6 or 10 mm
Heat Dissipation: 7 W 39 W 8 W LM: 5 W
DM: 0.02 W
Cooling Method: Air Water
Optical Isolation: No Yes
Each 7724 Laser Module (LM) can accommodate two 7722 Delivery Modules (DMs) with output power of > 900 µW per DM
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