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3-Axis NanoMax Flexure Stage with Bundled Controller


  • 3-Axis Piezo Flexure Stage with Compatible Controller
  • 4 mm of Manual Travel for Each Axis
  • Piezo Actuators Provide 20 µm of High-Resolution Displacement

Three-Channel Piezo Controller

MDT630B

Three-Axis Flexure Stage with
Differential Micrometers Installed

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3-Channel Piezo Controller
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Front Panel of MDT693B Controller
Differential Micrometer
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DRV3 Micrometer with Coarse and Fine Adjustment

This bundle consists of the MAX302(/M) 3-Axis NanoMax Flexure Stage, three DRV3 Differential Micrometers, and the MDT693B Three-Channel Piezo Controller at a savings over purchasing these items separately. Together, these items provide local and remote control of the position of our MAX302 NanoMax stage along X, Y, and Z with sub-micron resolution. Each axis has a maximum travel range of 4 mm. The DRV3 differential micrometers provide 4 mm of coarse travel and 300 µm of fine travel, with a calculated fine resolution of 100 nm. The embedded piezo elements provide an additional 20 µm of fine travel at a resolution of 20 nm.

This bundle includes three SMC cables, three SMC-to-BNC adapters (MDC40211), and a region-specific power cord selected at the time of the order.

MAX302 3-Axis NanoMax Flexure Stage
Designed for alignment applications requiring sub-micron resolution, the patented flexure design of the MAX302 ensures low crosstalk, high stability, and long-term reliability. This stage is compatible with our entire family of flexure stage accessories. In a typical multi-axis stacked stage, touching one of the two axes that are not referenced to "ground" will result in unwanted motion within the assembly. Since each of the axes in a NanoMax stage are coupled directly to the base of the stage, these adverse effects are eliminated. For more information, please see the full MAX302 presentation.

DRV3 Differential Micrometer
The DRV3 features two large knobs for coarse and fine adjustment. The coarse adjuster knob provides 500 µm/rev over a 4 mm range, while the fine adjuster knob provides 50 µm/rev over a 300 µm range. The calculated fine drive resolution is 100 nm. The rubber grip on the fine adjuster knob reduces heat transfer when making small adjustments, improving stability. For more information, please see the full DRV3 presentation.

MDT693B Three-Channel Open-Loop Piezo Controller
The MDT693B piezo controller features three precise, low-noise, independently controllable output channels and is capable of supporting the MAX302's absolute maximum control voltage of 100 V. The control voltage can be modified using rotary knobs on the front panel and by providing an external signal through BNC or USB 2.0. For more information, please see the full MDT693B presentation.

MAX302 Three-Axis Flexure Stage

Item # MAX302(/M)
General Specifications
Travel per Axis 4 mm
Load Capacity <1.54 lbs (<0.7 kg) Recommended
2.2 lbs (1 kg) Max
Thermal Stability 1 µm/°C
Deck Height 2.46" (62.5 mm)
Optical Axis Height 2.95" (75 mm)
Weight 1.65 lbs (0.75 kg)
Piezo Specifications
Piezo Voltage Range 0 - 100 V
Piezo Range 20 µm
Piezo Resolution 20 nm (Calculated)
Piezo Bidirectional Repeatability 0.2 µm
Piezo Absolute On-Axis Accuracy 1.0 µm
Resonant Frequency 375 Hz (No Load)
200 Hz (275 g Load)
150 Hz (575 g Load)
Arcuate Cross Talk
As a Function of X-Axis Positiona As a Function of Z-Axis Positionb
X-Axis Position Arcuate Motion
in Z-Axis
Z-Axis Position Arcuate Motion
in X-Axis
0.0 mm 80.0 µm 0.0 mm 57.1 µm
0.5 mm 45.0 µm 0.5 mm 32.1 µm
1.0 mm 20.0 µm 1.0 mm 14.3 µm
1.5 mm 5.0 µm 1.5 mm 3.6 µm
2.0 mm 0.0 µm 2.0 mm 0.0 µm
2.5 mm 5.0 µm 2.5 mm 3.6 µm
3.0 mm 20.0 µm 3.0 mm 14.3 µm
3.5 mm 45.0 µm 3.5 mm 32.1 µm
4.0 mm 80.0 µm 4.0 mm 57.1 µm

a. The typical measured cross talk to the Z axis for a commanded movement in X. In these measurements, the Y axis was positioned at 0 mm. The effect on the Z axis is expected to be similar for commanded movements in Y with the X axis positioned at 0 mm. The maximum measured cross talk to the Z axis was <88 µm.
b. The typical measured cross talk to the X axis for a commanded movement in Z. In these measurements, the Y axis was positioned at 0 mm. The effect on the Y axis is expected to be similar for commanded movements in Z with the X axis positioned at 0 mm. The maximum measured cross talk to the X axis was <66 µm.

 

DRV3 Differential Actuator

Item # DRV3
Travel Range Coarse: 4 mm (0.16") When Used with MAX302c
Fine: 300 µm
Translation per Revolution Coarse: 500 µm/rev
Fine: 50 µm/rev
Resolution Fine: 100 nm (Calculated)

c. The DRV3's maximum coarse travel range is 8 mm, but the MAX302's maximum travel range is 4 mm.

 

MDT693B Three-Channel Piezo Controller

Item # MDT693B
Output Specifications
Number of Channels 3
Connectors BNC
(One BNC-to-SMC Adapter per Channel Included)
Output Voltage 0 - 75 V, 0 - 100 V, or 0 - 150 V
(Selected by Switch on Rear)
Output Voltage Resolution
When Using Knobs
1.1 mV (for 75 V Output Voltage Setting)
1.5 mV (for 100 V Output Voltage Setting)
2.2 mV (for 150 V Output Voltage Setting)
Output Current (Max) 60 mA
Output Noised 1.5 mV (RMS)
~9.9 mV (Peak-to-Peak)
Output Impedance (Max) 150 Ω, 1.0 nF
Load Impedancee (Min) 2.5 kΩ
Bandwidth (-3 dB) 9 kHz (No Load, Small Signal)
8.5 kHz (No Load, 150 Vpp)f
200 Hz (1.4 µF Piezo, 150 Vpp)f
Bandwidth Stability (-3 dB) <0.01% Over 5 Hours
External Control through BNC
Input Voltage 0 - 10 V
Input Impedance 10 kΩ
Input Gain 7.5 V/V ± 5% (for 75 V Output Voltage Setting)
10 V/V ± 5% (for 100 V Output Voltage Setting)
15 V/V ± 5% (for 150 V Output Voltage Setting)
Output Voltage Resolution
When Using BNC
Limited by Noise of External Voltage Source
Scan Trim Gain Adjustment 80% to 120% of Sum of Master Scan External Voltage and
Offset from Rotary Adjustment Knob
External Control through Command Line
Physical Interface Female Type B USB 2.0 Connector
Digital-to-Analog Resolution 16-Bit, 2.75 mV
Analog-to-Digital Resolution 16-Bit, 3.0 mV
Physical Specifications
Display Type 7-Segment LED with Four Digits
Display Resolution 0.1 V
Enclosure Size 12.18" × 4.15" × 8.55"
(309.4 mm × 105.5 mm × 217.1 mm)
Weight 3.02 kg (6.65 lbs)
Operating Temperature 10 to 40 °C
Power Specifications
Input Voltage 100 - 240 VAC
Input Frequency 50 - 60 Hz
Input Power (Max) 60 VA
Fuse Type IEC60127-2/3 (250 VA, Slow Blow, Type "T")
Fuse Dimensions 5 mm x 20 mm
Fuse Rating 600 mA

d. Tested without an external load connected (1 nF output impedance only). Adding a capacitive load, such as a piezo, will decrease the noise because the capacitance will create a low-pass filter with the output resistance.
e. The smallest allowable terminating resistance. Applying lower impedances will cause the short-circuit protection to limit the output voltage. Continued use in this mode will cause circuit degradation and eventual circuit failure.
f. Assume a ramp function is used. The bandwidth depends upon the load and requires a calculation for a more representative number. See Chapter 6 of the manual for details.

MAX302 Three-Axis Flexure Stage

SMC Male

SMC Male
Input Voltage: 0 - 100 V

 

MDT693B Three-Channel Piezo Controller

Piezo Output

BNC Female

BNC Female

Output Voltage: 0 - 150 V
Output Impedance (Max): 150 Ω, 1.0 nF

External Voltage Control

BNC Female

BNC Female

Input Voltage: 0 - 10 V
Input Impedance: 10 kΩ

External Computer Control

Type B USB Female

DB9 Female

Piezo Driver Bandwidth Tutorial

Knowing the rate at which a piezo is capable of changing lengths is essential in many high-speed applications. The bandwidth of a piezo controller and stack can be estimated if the following is known:

  1. 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.
  2. The load capacitance of the piezo. The higher the capacitance, the slower the system.
  3. The desired signal amplitude (V), which determines the length that the piezo extends.
  4. The absolute maximum bandwidth of the driver, which is independent of the load being driven.

To drive the output capacitor, current is needed to charge it and to discharge it. The change in charge, dV/dt, is called the slew rate. The larger the capacitance, the more current needed:

Piezo Equation 1

For example, if a 100 µm stack with a capacitance of 20 µF is being driven by a BPC Series piezo controller with a maximum current of 0.5 A, the slew rate is given by

Piezo Equation 2

Hence, for an instantaneous voltage change from 0 V to 75 V, it would take 3 ms for the output voltage to reach 75 V.

Note: For these calculations, it is assumed that the absolute maximum bandwidth of the driver is much higher than the bandwidths calculated, and thus, driver bandwidth is not a limiting factor. Also please note that these calculations only apply for open-loop systems. In closed-loop mode, the slow response of the feedback loop puts another limit on the bandwidth.

Sinusoidal Signal

The bandwidth of the system usually refers to the system's response to a sinusoidal signal of a given amplitude. For a piezo element driven by a sinusoidal signal of peak amplitude A, peak-to-peak voltage Vpp, and frequency f, we have:

Piezo Equation 3

A diagram of voltage as a function of time is shown to the right. The maximum slew rate, or voltage change, is reached at t = 2nπ, (n=0, 1, 2,...) at point a in the diagram to the right:

Piezo Equation 4

From the first equation, above:

Piezo Equation 5

Thus,
Piezo Equation 6

For the example above, the maximum full-range (75 V) bandwidth would be

Piezo Equation 7.

For a smaller piezo stack with 10 times lower capacitance, the results would be 10 times better, or about 1060 Hz. Or, if the peak-to-peak signal is reduced to 7.5 V (10% max amplitude) with the 100 µm stack, again, the result would be 10 times better at about 1060 Hz.

Triangle Wave Signal

For a piezo actuator driven by a triangle wave of max voltage Vpeak and minimum voltage of 0, the slew rate is equal to the slope:

Piezo Equation 8.

Or, since f = 1/T:

Equation 9

Square Wave Signal

For a piezo actuator driven by a square wave of maximum voltage Vpeak and minimum voltage 0, the slew rate limits the minimum rise and fall times. In this case, the slew rate is equal to the slope while the signal is rising or falling. If tr is the minimum rise time, then

Equation 11

or

Equation 12.

 

For additional information about piezo theory and operation, see the Piezoelectric Tutorials page.

Piezo Controller Software

Version 2.4.1

Software package with GUI and drivers to control the MDT693B, as well as an SDK for third-party development.

Software Download

External Control Using Serial Commands
The three output channels of the MDT693B piezo controller can also be modulated remotely by sending serial commands through USB. The list of available commands is given in Chapter 7 of the manual. They include the ability to read and set voltages on a per-channel basis, to increment or decrement the control voltage at fixed step sizes, and to enable Master Scan mode.

Compatibility
The MDT693B is also backwards compatible with the software and serial commands used to control the previous-generation MDT693A.

Please note that firmware version 1.09 or later is required if using version 2 of the software. The firmware can be updated by clicking the Software link to the left.


Posted Comments:
`mbirowosuto  (posted 2016-06-14 22:34:47.77)
Dear Sir, We need a software for this Nanomax 300 product (MDT6938). We purchase it but we didnot receive the software. Serial Number is 150424175409. Thanks and looking forward, Best regards, Dr. Danang Birowosuto Nanyang Technological University
besembeson  (posted 2016-06-15 05:32:57.0)
Response from Bweh at Thorlabs USA: At the bottom of the overview on this page, we have a link to the "full MDT693B presentation" that also includes the software. We will make the software link more visible. Here is the link to the page with the software for you to download: http://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=1191
julien.paparone  (posted 2014-04-09 05:05:37.36)
Hello, I'm currently trying to interface my MDT693B with my computer (win7 pro x64 sp1) via labview. The CD application is unable to install the drivers, and the software provided on the website being out-of-date, I can't use the product as it is meant to. Have you been experiencing this problem so far, and if so, how did you manage to fix it ? Yours, Julien Paparone
cdaly  (posted 2014-04-09 05:31:29.0)
Response from Chris at Thorlabs: To install the drivers from the CD, you will need to have administrative privileges on the computer. If you are not an administrator, you can also browse the CD for the file “CD-Starter2.exe” in the root of the CD. Right click the file and choose the “Run as administrator” option from the menu, this should solve the issue, but we will contact you directly to provide any additional support.
snaghizadeh  (posted 2014-03-02 19:27:46.813)
Dear Sir/Madam, I am contacting you from Koç university, Istanbul, Turkey. We are using your MDT693A piezo controller. I am trying to write a LabView code, in which I wish to find the max output from our sample at each (x,y) coordinate pair. Please do me a favor and assist me in understanding the following questions. 1)I read through manuals, however, I could not find relationship between voltage and displacement. I mean to have minimum displacement of 20 nm, how much should I change the voltage? Does this amount depend on different voltage scales (75 ,100)? 2) What is the minimum voltage step(resolution)? 3)Does the displacement happen in both positive and negative X, Y, and Z directions? If so, what voltage range cause movement in negative directions? Many thanks, Solmaz
cdaly  (posted 2014-03-06 04:06:26.0)
1) The controller is an open loop controller. It simply outputs a voltage. There is no feedback capability in an open loop system to display something like position. If you were to assume a linear response form your piezo, you would get the given displacement you want by the voltage range and divide by the range in the same distance units as your displacement range. V(x)=VMax*X/Range. We cannot guarantee this will work as piezo devices are not strictly linear. 2) The display resolution of the controller is +/-0.1V, though the actual resolution, when using a software interface an analog input to drive the voltage would be 2.75mV. 3) This depends on your piezo device. Some piezos cannot handle a reverse bias and can only be used in the positive voltage range to extend the piezo.
Thorlabs  (posted 2010-10-06 11:32:01.0)
Reponse from Javier at Thorlabs to kl_mun: we currently do not offer 25 mm travel stages fit with piezo control for fine adjustment. I will contact you directly to discuss your application requirements.
kl_mun  (posted 2010-10-06 06:00:30.0)
Can we upgrade the MDT630A/M with a 25mm of coarse travel instead of 4mm? Thanks.

Multi-Axis Stage Selection Guide


Click to Enlarge

In the above application, a 3-Axis NanoMax flexure stage is aligned in front of a 6-axis stage at the proper 112.5 mm deck height using an AMA554 Height Adapter.

3-Axis Stages
Thorlabs offers three different 3-Axis Stage variations: NanoMax flexure stages, MicroBlock compact flexure stages, and RollerBlock long-travel stages. Each stage features a 62.5 mm nominal deck height. Our NanoMax line of 3-axis stages offers built-in closed- and open-loop piezos as well as modular drive options that include stepper motors, differential drives, or additional piezos. The MicroBlock stages are available with differential micrometer drives or fine thread thumbscrews; these drives are not removable. Finally, our RollerBlock stage drivers can be switched out for any actuator that has a Ø3/8" (9.5 mm) mounting barrel.

4- and 5-Axis Stages
Our 4- and 5-axis stages are ideal for the static positioning of waveguides or complex optical elements with respect to our 3-axis or 6-axis high-performance alignment stages. Thorlabs' 5-axis stages have nominal heights of 62.5 mm or 112.5 mm. The AMA554 Height Adapter can be used to raise the deck height of the 3-axis or 4-axis stages to 112.5 mm for compatibility with our 5-axis MicroBlock or 6-Axis NanoMax Stages.

6-Axis Stages
Thorlabs' 6-Axis NanoMax Nanopositioners are ideal for complex, multi-axis positioning and have a nominal deck height of 112.5 mm. These stages offer a common point of rotation and a patented parallel flexure design that allows all actuators to be coupled directly to the base to minimize any unwanted motion in the system. Built-in closed- and open-loop piezo options are available. A selection of modular drive options allows any axis to be manual or motorized with the option for external piezos. Our units without included actuators are also available in right- or left-handed configurations. To increase the stage height of the 3-axis stages to 112.5 mm, we recommend our AMA554 Height Adapter, shown in the image to the right.

A complete selection and comparison of our multi-axis stages is available below.

 

3-Axis Stages

Item # MAX313D MAX312D MAX311D MAX383 MAX381 MAX303 MAX302 MAX301 MBT602 MBT616D RB13M RBL13D
Stage Type NanoMax Flexure Stages MicroBlock Compact
Flexure Stages
RollerBlock Long Travel Stages
Included Drives DRV3 Differential Micrometers DRV208 Stepper Motor Actuators N/A Fine Thread Thumbscrews Differential Micrometers 148-801ST
Micrometer Drives
DRV304
Differential Micrometers
Built-in Piezos N/A Open
Loop
Closed Loop N/A Closed Loop N/A Open Loop Closed Loop N/A N/A
Travel (X, Y, Z) 4 mm (0.16") 13 mm (0.51")
Deck Height (Nominal) 62.5 mm (2.46")
Optical Axis Height (Nominal) 75 mm (2.95")
Load Capacity (Max) 1 kg (2.2 lbs) 4.4 kg (9.7 lbs)
Thermal Stability 1 µm/°C -
Weight 1.00 kg (2.20 lbs) 0.64 kg (1.40 lbs) 0.59 kg (1.30 lbs)

4-Axis Stages

Item # MBT401D
MBT401D/M
MBT402D
MBT402D/M
Stage Type 4-Axis Thin-Profile MicroBlock Device Stage 4-Axis Low-Profile MicroBlock Device Stage
Included Drives Differential Micrometers
Built-in Piezos N/A
Travel Horizontal Axis (Y)a 13 mm (0.51")
Vertical Axis (Z) 6 mm (0.24")
Pitch (θy) ±5°
Yaw (θz) ±5°
Deck Height (Nominal) 62.5 mm (2.46")
Optical Axis Height (Nominal) 75 mm (2.95")
Load Capacity (Max) 0.5 kg (1.1 lbs)
  • Perpendicular to the Optical Axis (X)

5-Axis Stages

Item # MBT401D (MBT401D/M) or
MBT402D (MBT402D/M) with
MBT501
PY005
Stage Type 5-Axis MicroBlock Stage System Compact 5-Axis Stage
Included Drives Differential Micrometers 100 TPI Actuators
Built-in Piezos N/A
Travel Optical Axis (X) 13 mm (0.51") 3 mm (0.12")
Horizontal Axis (Y) 13 mm (0.51") 3 mm (0.12")
Vertical Axis (Z) 6 mm (0.24") 3 mm (0.12")
Pitch (θy) ±5° ±3.5°
Yaw (θz) ±5° ±5°
Deck Height (Nominal) 112.5 mm (4.43") 62.5 mm (2.46")a
Optical Axis Height (Nominal) 125 mm (4.92") 75 mm (2.95")a
Load Capacity (Max) 0.5 kg (1.1 lbs) 0.23 kg (0.5 lbs)
  • Nominal deck height of 62.5 mm and optical axis height of 75 mm can only be achieved using the PY005A2 Height Adapter and MMP1 Mounting Plate.

6-Axis Stages

Item # MAX601D
MAX601D/M
MAX602D
MAX602D/M
MAX603D
MAX603D/M
MAX681
MAX681/M
MAX682
MAX682/M
MAX683
MAX683/M
MAX607
MAX607/M
MAX607La
MAX607L/Ma
MAX608
MAX608/M
MAX608La
MAX608L/Ma
MAX609
MAX609/M
MAX609La
MAX609L/Ma
Stage Type 6-Axis NanoMax Flexure Stage
Included Drives DRV3 Differential Micrometers DRV208 Stepper Motor Actuators N/A
Built-in Piezos N/A Open Loop Closed Loop N/A Open Loop Closed Loop N/A Open Loop Closed Loop
Travel X, Y, Z 4 mm (0.16")
θx, θy, θz
Deck Height (Nominal) 112.5 mm (4.43")
Optical Axis Height (Nominal) 125 mm (4.92")
Load Capacity (Max) 1.0 kg (2.2 lbs)
  • Left-Handed Version
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
MDT630B Support Documentation
MDT630BMAX302 NanoMax Stage, 3 Differential Micrometers and Piezo Controller
$4,105.56
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MDT630B/M Support Documentation
MDT630B/MMAX302/M NanoMax Stage, 3 Differential Micrometers and Piezo Controller
$4,105.56
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Last Edited: Sep 20, 2013 Author: Dan Daranciang