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Additive manufacturing of a monolithic optical force sensor based on polarization modulation
Applied Optics
|September 15, 2015
Summary
This study presents a low-cost, 3D-printed optical force sensor for harsh environments. Its monolithic design simplifies manufacturing and eliminates alignment needs, enabling use in MR-compatible robotics.
Area of Science:
- Optoelectronics
- Materials Science
- Robotics
Background:
- Optical sensors offer compatibility with harsh environments.
- Existing sensors may have high costs or complex alignment procedures.
- 3D printing presents opportunities for novel optical sensor designs.
Purpose of the Study:
- To develop a cost-effective, easily manufactured optical force sensor.
- To leverage 3D printing for a monolithic sensor design.
- To demonstrate the sensor's suitability for MR-compatible robotics.
Main Methods:
- A polarization-modulated force sensor was designed and fabricated using acrylate 3D printing.
- A monolithic design integrated all polarization control elements.
- The sensor's concept, fabrication, and performance were experimentally validated.
Main Results:
- A monolithic 3D-printed optical force sensor was successfully created.
- The sensor demonstrated compatibility with harsh environments and low manufacturing cost.
- The device achieved the target force sensing range of 20 N.
Conclusions:
- 3D printing is a viable technique for fabricating complex optical sensors.
- The proposed sensor design offers advantages in cost, manufacturing, and alignment.
- The sensor shows potential for applications in MR-compatible robotics.
