OPTRA is proud to offer its line of encoder-based optical position sensors for both linear and XY metrology and servo-positioning applications. These sensors offer resolution and repeatability at the nanometer level, and are easy to install and to use. We manufacture sensors for a broad range of applications and industries, and we are always interested in pursuing new and interesting ventures with our customers.

OPTRA's linear and planar encoder products, which include state-of-the-art processing electronics for either parallel or A quad B outputs, can be used in your most demanding positioning and measurement applications. OPTRA also can provide customized solutions by drawing on its broad experience in the optics and photonics fields. From custom encoder grids to application-specific sensors, OPTRA can provide cost-effective solutions to your most demanding sensing problems

  NanoGrid : X-Y Laser Scale

Features:

• 150~0.305nm resolution.
• Laser scale type -Insensitive to drift, optical path and air turbulence unlike a laser interferometer.
• Planar 2-Axis, X-Y nano-motion sensing .
• Extraordinary repeatability in real working environments.
• High speed, Compact size,
• Nano/Micro Stage application.
• NanoGrid system can be combined with a second sensor to measure in-plane rotations of up to 4°, allowing the straightforward measurement of yaw as well as X and Y.  

NanoScale

Features:

• 150~0.305nm resolution.
• Laser scale type - Insensitive to drift, optical path and air turbulence unlike a laser interferometer.
• 1-Axis nano-motion sensing, linear scale.
• Extraordinary repeatability in real working environments.
• High speed, Compact size.
• Nano/Micro Stage application.

NanoGauge

Stabilized Laser Diodes

Features:

• 10nm resolution
• High Bandwidth 100kHz: making it suitable for such demanding applications as vibration measurement and control, nano position feedback and surface profiling.
• Insensitive to EMI Noise
• 100 µm Range
• Replaces Capacitace Sensors
• a 3mm Large stand off :A 3mm standoff height further eases installation

Features: :

• Stabilized laser diodes at 1323nm and 1548nm. 

• No frequency modulated components. Ideal for comb generation reference.

•  Excellent reference for optical spectrum-analyzer or wavemeter.

•  Stabilization method is Modulated Zeman Effect