Thorlabs Single Channel Piezo Controller Driver

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They are well suited for single-axis and multiple-axis piezo stages, such as Thorlabs' MAX312D Three-Axis NanoMax Stage and PE4 Piezoelectric Actuator. The MDT693B three-channel controller provides independent controls for each channel. After the driver is installed, attach the MDT693B or MDT694B to the PC. The bandwidth of a piezo controller and stack can be estimated if the following is known: The maximum amount of current the controllers can produce. This is 0.5 A for our BPC Series Piezo Controllers, which is the driver used in the examples below. The load capacitance of the piezo. The higher the capacitance, the slower the system. All Thorlabs' Rack System Modules require the use of the APT™ MMR601 Rack System Enclosure. Independent operation of the modules outside the enclosure is not possible. The APT™ MST602 module is a dual-channel, high-resolution, rack-mounted stepper motor driver designed for use with the APT. Support added for the TBD001 controller. New software infrastructure to support future controllers. BBD102 Firmware. TPZ001 Rev 2 – T-Cube Piezo Driver. Single Channel Benchtop Piezo Controller. BPC202 - Dual Channel Benchtop Piezo Controller. Products Home / Motion Control Electronics / Piezo / Strain Gauge Controllers / / MDT694A This product has been superseded by part number MDT694B MDT694A - Single-Channel, Open-Loop Piezo Controller. K-Cube Piezo Controller. Low-powered, single-channel drivers (such as the K-Cubes™ and T-Cubes™) to high-power, multi-channel, modular 19' rack nanopositioning systems (the APT Rack System). Visit the Single-Axis Flexure Stages: 5 mm Travel page for pricing and availability information.

Key Specificationsa
Item # Suffix-K05P2-K1S2P
-K1S3P		-K2S2P
Optic SizeØ1/2'Ø1'Ø2'
Optic Thickness (Min)0.08' (2 mm)0.14' (3.5 mm)
Mechanical Angular Range±5°±4°±3.4°
Piezoelectric Angular Range>490 µrad>500 µrad>280 µrad
AdjustersManually Adjustable 100 TPI Screws
with Integrated Piezoelectric Elements
Piezo Control Voltage0 to 150 V
Piezo ConnectorsMale SMB
(SMB-to-BNC Cables Included)
Beam Deviation after
Temperature Cyclingb		<6 µrad<1 µrad<2 µrad
MountingTwo #8 (M4) CounterboresFour #8 (M4)
Counterbores
Compatible Piezo
Controllers		MDT693B Three-Axis Benchtop Controller
MDT694B Single-Axis Benchtop Controllerc
KPZ101 Single-Axis K-Cube Controllerc,d
  • Please see the Specs tab for complete specifications.
  • While the Polaris mount was physically disconnected from its piezo controller (zero bias), the ambient temperature was increased by 15 °C, then allowed to return to room temperature. For more details, please see the Test Data tab.
  • One controller is required per independently controlled axis.
  • Requires a BNC female to SMC female adapter.

Features

  • Machined from Heat-Treated Stainless Steel with Low Coefficient of Thermal Expansion (CTE)
  • Fully Integrated Piezoelectric Elements Provide Step Sizes Down to 0.5 µrad
  • Matched Actuator and Back Plate Provide Smooth Manual Kinematic Adjustment
  • Hardened Stainless Steel Ball Contacts with Sapphire Seats for Durability and Smooth Movement
  • Passivated Stainless Steel Surface Ideal for Vacuum and High-Power Laser Cavity Applications
  • Extensive Testing Guarantees Less than 6 μrad Deviation After 15 °C Temperature Cycling (See Test Data Tab)
  • Custom Mount Configurations are Available by Contacting Tech Support

The Polaris® Kinematic Mirror Mounts with Piezoelectric Adjusters are the ultimate solution for applications requiring stringent, actively monitored, long-term alignment stability. We recommend driving the piezo actuators using our benchtop or Kinesis® K-Cube™ piezo controllers.

A replacement piezoelectric adjuster for the Ø1' and Ø2' mounts is also available separately below.

Optic Retention
These Polaris mounts use either a monolithic flexure arm or a flexure spring and setscrew combination to hold the optic. These designs provide high holding force and pointing stability with minimal optic distortion. For more details, see the Test Data tab.

Polaris optic bores are precision machined to achieve a fit that will provide optimum beam pointing stability performance over changing environmental conditions such as temperature changes, transportation shock, and vibration. These mounts are not designed to be used with optics that have an outer diameter tolerance greater than +0/-0.1 mm, such as metric mirror sizes (Ø12.5 mm, Ø25 mm, or Ø50 mm). To order a mount designed for metric optics, please contact Tech Support.

Design
Machined from heat-treated stainless steel, Polaris mounts utilize precision-matched adjusters with ball contacts and sapphire seats to provide smooth kinematic adjustment. As shown on the Test Data tab, these mounts have undergone extensive testing to ensure high-quality performance. The Polaris design addresses all of the common causes of beam misalignment; please refer to the Design Features tab for more information.

Our design incorporates high-adjustment-sensitivity piezoelectric stacks directly into the hardened stainless steel adjusters, enabling smooth coarse and fine movements along each axis. When used in an external feedback loop, as illustrated on the Applications tab, these mounts combine the exceptional thermal stability of our standard Polaris kinematic mirror mounts with the ability to actively correct the beam pointing. Like all Polaris mounts, they are machined from heat-treated stainless steel, utilize precision-matched adjusters, and incorporate ball contacts and sapphire seats at all contact points.

Each Polaris piezo mount utilizes snap-on SMB connectors. This model is specifically designed to minimize cable twisting as the mount is actuated. Furthermore, the design of SMB cables prevents incidental movement of the mirror when the cord is attached. Please note that the piezo actuators do not include a strain gauge.

Post Mounting
The Polaris mirror mounts are equipped with #8 (M4) counterbores for post mounting. Select mounts also include Ø2 mm alignment pin holes around the mounting counterbore, allowing for precision alignments when paired with our posts for Polaris mirror mounts. See the Usage Tips tab for more recommendations about mounting configurations.

Vacuum Compatibility
All Polaris mounts on this page are designed to be compatible with cleanroom and vacuum applications. See the Specs tab and the Design Features tab for details. The included SMB-to-BNC cables are not vacuum compatible.


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