Highlights

General

  • Position resolution of 0.15 nm using plane mirror optics
  • ± 2.29 m/s plane mirror stage velocity using 15 MHz split laser head
  • Receiver sensitivity of 0.065 µW
  • Optional cyclic error compensation available

Operation with Plane Mirror Optics

  • Resolution: 0.15 nm
  • Maximum Velocity with 15 MHz split laser head: ± 2.29 m/s; with 7.5 MHz split: ± 1.1 m/s

Timing

  • Position update rate: 10 MHz

Special Features

  • Up to 8 boards per system for 31 axes of simultaneous measurement
  • 10/100 Base T LAN connection; DHCP enabled; Web browser based timed data capture with multiple trigger options
  • Simultaneous output of 4 axes of position at 10MHz (10 lsbs/axis)
  • 36-bit, 2's Complement Hardware Position Output @ 10 MHz/(number of axes)

The Keysight N1225A provides ultra-sensitive fiber optic receivers and high resolution distance measurements for high performance positioning systems using laser interferometry with VME bus systems. Multiple N1225A boards can be linked together for up to 31 axes of position measurement. Includes "oscilloscope like" data capture operated with standard web browsers.

KEY SPECIFICATIONS

Bus
VME and VME64x
Max Data rate for direct hardware outputs (kHz)
10000
Max Data rate over bus (kHz)
100
Number of Axes per board
3 or 4
Plane Mirror (PM) Resolution (nm)
0.15
System PM velocity limit (mm/s) * depends on laser head, axis board and receiver capability
± 2290*
Bus
Max Data rate for direct hardware outputs (kHz)
Max Data rate over bus (kHz)
Number of Axes per board
Plane Mirror (PM) Resolution (nm)
System PM velocity limit (mm/s) * depends on laser head, axis board and receiver capability
VME and VME64x
10000
100
3 or 4
0.15
± 2290*
View More
Bus:
VME and VME64x
Max Data rate for direct hardware outputs (kHz):
10000
Max Data rate over bus (kHz):
100
Number of Axes per board:
3 or 4
Plane Mirror (PM) Resolution (nm):
0.15
System PM velocity limit (mm/s) * depends on laser head, axis board and receiver capability:
± 2290*

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