Protokraft, LLC
Protokraft designs and manufactures high-speed optoelectronic components and subsystems for use i……...
P-131: Programmable, Active Shims for Optical Fine Alignment
P-131 PIRest Actuators are nanometer-resolution active shims with long-term stability.
P-131.1x: dimensions in mm. Image Credit: PI (Physik Instrumente) LP
Nanometer resolution and micrometer displacement
Load capacity up to 4000 N per actuator
Temperature sensor
Long-term stability without a permanent power supply
Easy readjustment of machines at inaccessible locations
Avoids time-consuming manual adjusting processes
Fields of Application
Precision mechanics
Static precision positioning
Metrology/interferometry
Set-and-forget applications
Adaptive mechanics
Drift compensation
Alignment of optical components
High User-Friendliness Due to Automatic Configuration
When the electronics are turned on, the mechanic’s ID chip, which contains crucial operating characteristics, is automatically read out.
Long-Term Stable Positioning Without Permanent Power Supply
Actuators equipped with PIRest technology keep their position steadily after being moved without a constant control voltage supply. Modifications are affordable, easy to maintain, and with nanometer precision even at remote sites.
Specifications
Source: PI (Physik Instrumente) LP
| P-131.11 | P-131.12 | P-131.13 | Unit | Tolerance | |
|---|---|---|---|---|---|
|
Dimensions OD × ID × L |
22× 8× 7 |
22× 8× 17 |
22× 8× 32 |
mm |
|
|
Nominal travel range* |
2 |
5 |
10 |
µm |
±20 % |
|
Minimum incremental motion* |
<10 |
<10 |
<10 |
nm |
|
|
Load capacity |
4000 |
4000 |
4000 |
N |
max. |
|
Stiffness |
1000 |
350 |
170 |
N/µm |
typ. |
|
Electrical capacitance |
3.4 |
10.2 |
20.4 |
µF |
±20 % |
|
PIRest operating modes |
|||||
|
Operating point for active adjustment |
120 |
120 |
120 |
V |
max. |
|
Operating point for long-term stable position |
0 |
0 |
0 |
V |
|
|
Miscellaneous |
|||||
|
Cable length |
1.5 |
1.5 |
1.5 |
m |
|
|
Voltage connection |
HD Sub-D 15 (m) |
HD Sub-D 15 (m) |
HD Sub-D 15 (m) |
||
|
ID chip |
Yes |
Yes |
Yes |
||
|
Temperature sensor |
Yes |
Yes |
Yes |
||
|
Operating temperature range |
5 to 40 |
5 to 40 |
5 to 40 |
°C |
|
|
Recommended electronics |
E-135 |
E-135 |
E-135 |
* At room temperature
Vacuum versions available on request.
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