Optical Probing

3D Optical Sensing

Wafer-level Probing

Silicon Photonics Wafer Testing

Optical Sensing Solutions

VCSEL Optical Measurement 

Silicon Photonic Chip Design

Optical Measurements Test

Thin Wafer Handling

Optical performance  characterization

Near Field Optical Measurement

High Speed Pulsed Optical Measurements

VCSEL Near Field Measurement


Optical Sensing
Optical Sensing
Optical Sensing
Optical Sensing
Optical Sensing
Optical Sensing


Vertical Cavity Surface Emitting Laser (VCSEL) based optical sensing technologies are finding their way into numerous consumer (Facial Recognition, Gesture Sensing, Augmented Reality) and automotive (LiDAR and In-Cabin Monitoring) applications. MPI’s comprehensive portfolio of test and measurement solutions are ready to meet the demands of the VCSEL based optical sensing market.


MPI’s array of optical sensing solutions are well suited for the demands of both production and engineering environments. We are ready to meet customer’s critical testing and back-end processing needs:

  • Parametric Test and Measurement
  • Material Handling
  • Inspection
  • Wafer Level Reliability Test (WLBI)

MPI optical sensing solutions have been designed to meet the entire spectrum of VCSEL designs and configurations.

  • Front Emitting VCSEL
  • Rear Emitting VCSEL (Flip-Chip)
  • Wafer, Package, & Die Level



Superior Optical Expertise and System Integration Capability for Customer’s
Requiring High Volume Manufacturing, Development and Test of Laser Diodes

High precision test and measurement results

High quality probing with optimizing automation

Proactive service and training support to keep  your equipment running with minimal interruptions

Controlling all aspects of mechanical/electrical device contact

Customer-centric customizable solutions for your specific requirements


MPI Photonic solutions for Optical Communication applications (Datacom, Telecom, Laser, Photodetector, Photodiode)


Precision test and measurement solution for optical devices such as Photo Detectors and Laser Diodes

MPI Photonic solutions for Optical Sensing applications (VCSEL, LiDAR, ToF, Time-of-Flight, 3D Sensing, Facial Recognition, Automotive sensing)


Dedicated SiPH on-wafer tests designed to perform repeatable low noise measurements

MPI Photonic solutions for Micro Display applications (Micro LED, Mass Transfer, VR, AR)


Accurate probing tool combined with idea mass transfer method

MPI Photonic solutions for LED applications (Automotive / General Lighting)


Complete solution covers testing, sorting, and inspection from wafer to package die level

Need help or have questions?

Sr. Field Service/Repair Engineer (2 openings)

Job Duties:
Responsible for repair of very high pin count (>30,000 pins) MEM's, vertical and cantilever probe cards (VPC and CPC). Replace PCB electrical components such as: Capacitors, resistors, special MUX IC. Adjust VPC space transformer flatness between MLO substrate and PCB by interposer connection. Evaluate customer feedback on probe card issue and take full card inspection to find the root cause. Provide technical support to customer’s new probe card verification on wafer sort and debug to identify setup issues, wafer product issues or program issues. Conduct training on new probe card and new technology application, including on-line clean and off-line maintenance. Contribute to probe card technical improvement to HQ production line. 30% domestic travel required (travel within US to customers’ sites for field service and repair support)

Job Requirements:
5 yrs. field service support and repair of high pin count (>30,000 pins) vertical probe card and cantilever probe card.

Send resume with Job # 202108  to CareerswithMPIAmerica@mpi-corporation.com