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AI Overview

Custom development of Fiber Optic Gyroscope (FOG) Inertial Measurement Units (IMUs) involves

tailoring high-precision, solid-state sensors to specific performance, SWaP (Size, Weight, and Power), and environmental requirements . These customized systems are designed for applications requiring high stability, such as defense, autonomous vehicles, and aerospace, by leveraging closed-loop FOG technology.

Key Aspects of Custom FOG IMU Development

Performance Customization: Customization allows for specific adjustments to bias instability (down to 0.003°/hr), angular random walk (ARW), and dynamic range.
SWaP Optimization: Developers create compact, lightweight, and low-power units, often called "low-SWaP" IMUs, which are crucial for drones, robotics, and UUVs.
Environmental Hardening: Custom units are built to withstand high shock, vibration, and temperature extremes, with some solutions being ITAR-free or MIL-STD tested.
Hybridization: FOGs can be integrated with quartz accelerometers or combined with MEMS technology to bridge the gap between cost and high accuracy.

Common Customization Areas

Integration with GNSS/INS: Developers can integrate FOGs with GPS/GNSS receivers for enhanced, high-precision navigation in denied environments.
Modular Configurations: Providing 1, 2, or 3-axis configurations to fit limited spaces.
Output Interfaces: Customizing data interfaces (e.g., RS422, analog, digital) and data acquisition systems.

Key Players and Examples

KVH Industries: Develops FOG-based IMUs (like the P-1775 and DSP-1760) featuring Photonic Integrated Chip (PIC) technology for high accuracy.
Emcore Corporation: Provides custom-built, high-performance FOG IMUs (e.g., CIRUS-A) and utilizes PIC technology to replace individual fiber components for better reliability.
Aegiverse: An agile developer focusing on custom FOG solutions for UAVs, combining multi-layered architectures for improved size and cost efficiency.
Ericco International: Specializes in high-accuracy, tactical-grade FOG IMUs, including custom, low-cost alternatives to replace older, larger units.
Inertial Labs: Offers customizable IMUs for applications such as antenna stabilization and land vehicle navigation.
Kearfott: Provides closed-loop FOGs and tailored IMUs for specialized requirements.

Development Process

Custom development typically involves a 5-step process: requirements analysis and system design, hardware development (sensor, casing, interface), software development (algorithms, calibration), system integration, and final testing/optimization.

Top 10 FOG Inertial Measurement Unit (IMU) Suppliers in 2025
Aug 8, 2025 — Choosing a FOG IMU supplier in 2025 requires balancing sensor precision, environmental resilience, and export compliance. Key crit...

GuideNav
FOG-Based Inertial Sensing Technologies for Unmanned Systems
Aegiverse * Aegiverse is a developer of advanced FOG (fiber optic gyro)-based inertial sensing technologies for drones, airplane a...

Unmanned Systems Technology
Fiber Optic Gyroscopes | FOG Senors | FOG IMUs for UAV & Robotics
Low-SWaP FOG IMUs for drones & robotics The U Series is a range of miniature FOG-based inertial measurement units (IMUs) with a li...

Unmanned Systems Technology

Show all

CIRUS-A High-Performance FOG Inertial Measurement ...

Emcore LLC

https://www.emcore.com › products › post › cirus-a-hig...

Emcore LLC

https://www.emcore.com › products › post › cirus-a-hig...

EMCORE's CIRUS-A is a high-performance FOG IMU that delivers state-of-the-art, strategic-grade performance for inertial navigation, guidance, pointing and ... Read more

Custom Solutions

Cielo Inertial Solutions

https://www.cielo-inertial.com › custom-solutions

Cielo Inertial Solutions

https://www.cielo-inertial.com › custom-solutions

Cielo has developed an advanced new generation IMU system based on the closed loop Fiber Optical Gyroscopes ( FOG ) and linear rebalanced accelerometer technology ... Read more

Tools for Successful Inertial Sensor & FOG Integration | UST

Unmanned Systems Technology

https://www.unmannedsystemstechnology.com › 2021/07

Unmanned Systems Technology

https://www.unmannedsystemstechnology.com › 2021/07

Jul 23, 2021 — The KVH Developer's Kit enables rapid prototyping and accelerates your system development . It also helps with troubleshooting and debugging.” In ... Read more

FOG Inertial Measurement Unit Data Acquisition System

Ericco Inertial Technology

https://www.ericcointernational.com › application › fog...

Ericco Inertial Technology

https://www.ericcointernational.com › application › fog...

Mar 27, 2024 — The system implements the basic function of sending out angular velocity information and specific force information every 10 ms. Considering the ... Read more

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Inertial Measurement Units (IMU)

Inertial Labs

https://inertiallabs.com › IMU

Inertial Labs

https://inertiallabs.com › IMU

We develop low-cost alternatives to dated FOG units by creating custom form-fitting solutions to meet end-user needs in performance and functionality. Read More ... Read more

FOG, IMU & INS Integration Support

Emcore LLC

https://www.emcore.com › support › fog-imu-ins-integr...

Emcore LLC

https://www.emcore.com › support › fog-imu-ins-integr...

Accelerate your EMCORE FOG/IMU integration into your application and improve development and integration efforts with the EMCORE Developer's Kit. Read more

Top 10 FOG Inertial Measurement Unit (IMU) Suppliers in ...

GuideNav

https://guidenav.com › blog › top-10-fog-inertial-meas...

GuideNav

https://guidenav.com › blog › top-10-fog-inertial-meas...

Choosing a FOG IMU supplier in 2025 requires balancing sensor precision, environmental resilience, and export compliance. Key criteria include bias instability ... Read more

Customer guide

Silicon Sensing

https://siliconsensing.com › category › customer-guide

Silicon Sensing

https://siliconsensing.com › category › customer-guide

For projects requiring custom IMU development , this depth of knowledge can be the difference between a successful program and endless research and development. Read more

stanfordnmbl/imu-fog-detection

GitHub

https://github.com › stanfordnmbl › imu-fog-detection

GitHub

https://github.com › stanfordnmbl › imu-fog-detection

The intent of this repository is to provide other researchers tools to develop and train their own FOG detection models. Installation. Currently, this repo can ... Read more