FOG & Quartz MEMS Inertial Sensors - Gyros, IMU, INS

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EMCORE is a leading provider of high-performance inertial navigation sensors and systems for aerospace, defense and commercial markets.

Our product suite utilizes Emcore’s state-of-the-art closed-loop Fiber Optic Gyroscope (FOG) sensor technology, along with recently acquired Systron Donner Inertial’s quartz MEMS inertial sensing solutions, to meet the demanding requirements of SWaP-conscious unmanned applications.

Our tactical and navigation grade gyroscopes, IMUs, and Inertial Navigation Systems (INS) are ideal for navigation, control and stabilization of UAVs (unmanned aerial vehicles), UGVs (unmanned ground vehicles) and AUVs/UUVs (unmanned underwater vehicles).

Fiber Optic Gyroscope (FOG) Sensors

EMCORE-Hawkeye™ EG-120 FOG

Ultra-compact, closed-loop gyroscope for demanding applications

The EG-120 FOG module is our smallest closed-loop FOG and the smallest, most affordable closed-loop fiber optic gyroscope available on the market today. It features industry-leading SWaP characteristics and incorporates next-generation Field Programmable Gate Array (FPGA) electronics that deliver increased performance and reliability.

The EG-120 is an ideal solution for medium accuracy platform stabilization applications such as UAV weapons and camera systems. It is also available in a low power variant. Jump to specifications >

EMCORE-Hawkeye™ EG-200 FOG

Precision solid-state fiber optic gyroscope for tactical grade applications

The EG-200 is a tactical-grade FOG designed for high-accuracy navigation and low-noise line-of-sight stabilization applications. It features fully-integrated optics and Field Programmable Gate Array (FPGA) electronics, resulting in improved optical drift stability, higher linearity and greater environmental flexibility.

EG-200 units can be calibrated internally for better thermal effect, and have both digital and analog outputs, accommodating a wide variety of installation and interfacing parameters. Jump to specifications >

EMCORE-Hawkeye™ EG-1300 FOG

Low-noise fiber optic gyroscope for navigational grade applications

The EG-1300 is our lowest-noise FOG, ideal for precision navigation in GPS-denied environments – such as UUVs – as well as platform stabilization. Featuring advanced integrated optics and closed-loop FPGA design, it delivers higher accuracy, lower noise and greater efficiency in a low-SWaP package.

The EG-1300 can be calibrated internally for better thermal effect. In addition to providing both digital and analog outputs, the unit features separation of the electronics from the fiber optic gyroscope’s sensing coil assembly, allowing for the most flexible installation and integration capabilities.

Comparison & Specifications:

	EG-120	EG-200	EG-1300
Dimensions	2.36” D x 0.83” (60mm x 21mm)	3.2” D x 0.8” (81.2mm x 20.3mm)	Sensor: 3.6” D x 1.3” (91.44mm x 33.02mm) Electronics: 3.2” D x 0.8” (81.2mm x 20.3mm)
Weight	0.13 lbs (90g)		14.5 oz (410g)
Bias (Over Temperature)	≤1.0°/hr	<0.8°/hr	0.01°/hr
ARW/Noise	≤0.04°/√ hr	0.012°/√ hr	0.001°/√ hr
Bandwidth	300 Hz	750 Hz	500 Hz

View the range of Navigation Grade FOG Sensors >

FOG Inertial Measurement Units (IMU)

Systron Donner Inertial SDC500 MEMS IMU

Quartz MEMS IMU for commercial & industrial applications

The SDC500 quartz MEMS IMU is designed for commercial, industrial and marine robotics and drone applications. The non-ITAR-controlled unit features a low SWaP footprint as well as high sensitivity and linearity, greatly improved noise immunity and high-speed signal processing.

It is available in a variety of performance-cost variants, ranging in accuracy from precision 1°/hr gyro and 1 mg accelerometer to 20°/hr gyro and 5 mg accelerometer bias over temperature, shock, and vibration environments.

The high-precision sensor provides industry-standard serial communication, configurable communications protocols, Time of Validity (TOV) sync, continuous Built-in Test (BIT), and electromagnetic interference (EMI) protection.

Specifications:

	GYRO CHANNELS	ACCELERATION CHANNELS
Bias over temperature	1°/hr – 20°/hr	1.0 mg – 5.0 mg
Bias In-Run Stability	1.0°/hr – 5.0°/hr	100 μg
Random Walk Noise	0.02°/√hr – 0.04°/√hr	100 μg /√Hz – 200 μg /√Hz
Operating Temperature	-40 °C to +71 °C	-41 °C to +71 °C
Vibration	12g – 8g rms	12g – 8g rms

More information: SDC500 MEMS IMU

EN-300 Precision Fiber Optic Inertial Measurement Unit

Precision Three-Axis FOG IMU for UAVs

The EN-300 is a higher-accuracy Fiber Optic Gyro-based IMU that is a form, fit and function compatible with a legacy equivalent, but with better performance needed for GPS denied navigation, precise targeting and line-of-sight stabilization. Applications include in inertial navigation for UAVs, dismounted soldiers, civilian unmanned aviation, and oil and gas exploration.

The low-noise, high-stability FOG IMU provides up to five-times better performance than competing systems. It features internal signal processing that provides full stand-alone or aided navigation, with optional standard IMU delta velocity and delta theta outputs. With state-of-the-art FPGA electronics and sophisticated Kalman filtering, the unit is able to statically find North to less than one degree through gyro-compassing.

The EN-300 is available in three performance variants:

Specifications:

	EN-300-1	EN-300-3	EN-300-5
Dimensions	3.5” D x 3.35″ (89mm x 85mm)	3.5” D x 3.35″ (89mm x 85mm)	3.5” D x 3.35″ (89mm x 85mm)
Weight	<1.8 lbs	<1.8 lbs	<1.8 lbs
Gyro Bias (Over Temperature)	0.01°/hr	0.2°/hr	0.4°/hr
ARW/Gyro Noise	0.008°/√ hr	0.015°/√ hr	0.03°/√ hr
Accelerometer Bias	150 µg	300 µg	500 µg
Accelerometer Range	30g (70g by request)

Systron Donner Inertial SDI170 Tactical Grade MEMS IMU

Compact non-ITAR IMU

The SDI170 is a tactical-grade MEMS IMU designed as a form, fit, and function compatible alternative to legacy RLG IMUs but with superior performance and a significantly higher MTBF (Mean Time Before Failure) rating in ruggedized environments. Based on proven quartz MEMS inertial technology, the ITAR-free SDI170 is ideal for high-precision commercial and defense unmanned systems applications.

The IMU contains no wear-out components, making it ideal for continuous use in demanding and mission-critical applications. The versatile unit features Continuous Built-in Test (BIT), configurable communications protocols, electromagnetic interference (EMI) protection and flexible input power compatibility.

Specifications:

	GYRO CHANNELS	ACCELERATION CHANNELS
Bias over temperature	1°/hr – 3°/hr	1.0 mg – 2.0 mg
Bias in run Stability (typical)	1.0°/hr – 1.5°/hr	100 – 200 μg
Random Walk Noise	0.02°/√hr	100 μg /√Hz – 120 μg /√Hz
Scale Factor Error	200 ppm
Operating Temperature	-55 °C to +85 °C

More information: SDI170 Tactical Grade MEMS IMU

Systron Donner Inertial SDI500 Tactical Grade MEMS IMU

Quartz MEMS IMU

SDI500 is the first MEMS-based Inertial Measurement Unit (IMU) to demonstrate true tactical grade performance with 1°/hr bias stability and very low 0.02°/√hr angle random walk. SDI500 is rated for rugged military environments, with continuous Built-in Test (BIT), configurable communications protocols, electromagnetic interference (EMI) protection, flexible input power requirements and multiple output data formats.

Specifications:

	GYRO CHANNELS	ACCELERATION CHANNELS
Bias	1°/hr – 10°/hr	1.0 mg – 2.0 mg
Bias in run Stability (typical)	1.0°/hr – 2.0°/hr	100 μg
Random Walk Noise	0.02°/√hr – 0.03°/√hr	100 μg /√Hz – 120 μg /√Hz
Operating Temperature	-55°C to +85°C	-55°C to +85°C
Vibration (Operating)	19g RMS	19g RMS

More information: SDI500 MEMS IMU

View the range of MEMS Inertial Measurement Units (IMUs) >

Inertial Navigation Systems (INS)

Systron Donner Inertial – SDN500 GPS/INS

Tactical Grade Inertial Navigation System

The SDN500 GPS/INS tactical grade navigation system combines latest generation quartz gyros, quartz accelerometers, high speed signal processing and a 48-channel Coarse/Acquisition (C/A) Code GPS receiver.

This powerful, tightly coupled Guidance and Navigation System delivers a reliable 3.9 meter Spherical Error Probable (SEP) GPS-aided accuracy, and EMCORE’s Systron Donner Inertial proprietary Quartz MEMS Inertial Sensors maintain precision accuracy in the event of loss of GPS tracking. SDN500 GPS/INS is ideal for a navigation, guidance and control of unmanned air and ground vehicles, for precision targeting and positioning.

More Information: SDN500 GPS/INS

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Multi-Axis Inertial Sensing Systems

Systron Donner Inertial QRS28 Multi-Axis Gyroscope

High performance Quartz MEMS Gyro

EMCORE’s Systron Donner Inertial QRS28 is a small, lightweight, two-axis MEMS rate sensor offering exceptional performance at a very attractive price. The sensor provides a simple DC-DC operation using two of EMCORE’s Systron Donner Inertial quartz rate sensors. The instrument provides reliable performance in demanding applications, such as missile seeker gimbal stabilization, and contained within a hermetically sealed stainless steel cylinder.

More Information: QRS28 Multi-Axis Gyroscope

MotionPak Multi-Axis Inertial Sensing System

Solid-state MEMS Motion Measurement Sensors

EMCORE’s Systron Donner Inertial MotionPak® is a solid-state sensor cluster used for measuring linear accelerations and angular rates in instrumentation and control applications. It is a highly reliable, compact, and fully self-contained motion measurement package with analog voltage outputs.

The unit couples three EMCORE’s Systron Donner Inertial solid-state MEMS angular rate sensors with three high performance linear accelerometers, producing a true Six Degree of Freedom (6DoF), fully self-contained inertial sensing system with internal power regulation and signal conditioning electronics.

More Information: MotionPak Multi-Axis Inertial Sensor

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ITAR-Free Single-Axis MEMS Gyroscopes

SDD3000 Tactical Grade Digital Gyroscope (Non-ITAR)

High Performance Single-Axis Quartz MEMS Gyro

The SDD3000 is a high performance, digital, single-axis gyroscope that meets state-of-the-art systems requirements for precision accuracy, low noise angular rate sensing. The unit incorporates an advanced Quartz MEMS sensing element and is optimized for applications that require low noise and excellent stability over changes in temperature and through vibration.

EMCORE’s Systron Donner Inertial SDD3000 provides a temperature compensated output with unprecedented bias stability and durability. Ideal for rugged ground vehicle and aerospace applications, the SDD3000 is an extremely versatile navigation grade gyro that requires very little configuration and integration time into new or retrofit applications. Boasting a small size, light weight and very low power consumption, the SDD3000 is truly a leader in its performance class.

More Information: SDD3000 Tactical Grade Digital Gyroscope

QRS116 Tactical Grade Analog Gyroscope (Non-ITAR)

High-accuracy, Low-noise Single-Axis Quartz MEMS Gyro

EMCORE’s Systron Donner Inertial QRS116 meets state-of-the-art systems requirements for very high accuracy, very low noise angular rate sensing. The QRS116 is a form, fit and function-enhanced alternative to the popular, highly-reliable QRS11.

Using a next generation version of EMCORE’s Systron Donner Inertial unique quartz micro-machined sensing element, the QRS116 delivers excellent bias stability, signal to noise ratio and vibration performance characteristics in a small, lightweight package.

With no moving parts and no scheduled maintenance, the QRS116 provides reliable service and low total cost of ownership.

More Information: QRS116 Tactical Grade Analog Gyroscope

QRS11 Single-Axis Analog Gyroscope (Non-ITAR)

Solid-state Quartz MEMS Gyro

EMCORE’s Systron Donner Inertial QRS11 is a compact, lightweight, solid-state gyro providing reliable, extremely accurate angular rate measurements. With no moving parts, the quartz sensing element has a virtually unlimited life while providing outstanding signal to noise performance. The QRS11 is exceptionally small and consumes very little power. With a hermetically sealed sensing element, the unit is suitable for aircraft, missile and space systems across many demanding application environments.

More Information: QRS11 Single-Axis Analog Gyroscope

SDG1400 Single-Axis Analog Gyroscope (Non-ITAR)

Low Noise, Rugged Quartz MEMS Gyro

EMCORE’s Systron Donner Inertial SDG1400 is a single-axis angular rate sensor that provides exceptional performance within demanding commercial and aerospace applications. Utilizing an advanced Quartz MEMS inertial sensing element, it provides superior bias stability and repeatability, with a small, rugged package and fully self-contained electronics.

The SDG1400 is a commercial, off the shelf product with no moving parts, providing fast start-up, very low noise and high bandwidth with exceptional MTBF performance.

More Information: SDG1400 Non-ITAR Analog Gyroscope

SDG500 Single-Axis Analog Gyroscope (Non-ITAR)

Compact, Rugged Quartz MEMS Gyro

EMCORE’s Systron Donner Inertial SDG500 single-axis angular rate sensor provides exceptional performance versus similar sensors in its class, with a lower noise capability superior to silicon-based gyros. The SDG500 single axis gyroscope utilizes EMCORE’s Systron Donner Inertial proven Quartz MEMS sensing technology housed in a compact, rugged enclosure, providing virtually unlimited life.

The SDG500 has an on-board temperature sensor which allows the user to enhance performance via thermal modeling and correction, and with a simple DC input and high level DC output, the SDG500 will integrate quickly and simply into most systems.

More Information: SDG500 Non-ITAR Analog Gyroscope

QRS14 Single-Axis Analog Gyroscope (Non-ITAR)

Solid-state, Rugged Quartz MEMS Gyro

EMCORE’s Systron Donner Inertial QRS14 is a compact, rugged, solid-state mirco inertial sensor used to measure angular rotation rates. It features a monolithic quartz sensing element, combining excellent vibration, noise, and virtually unlimited life. The QRS14 has internal power regulation and DC input/high-level DC output operation, and is available in two different model variations suitable for either a positive or dual-power supply.

More Information: QRS14 Single-Axis Analog Gyroscope

HZ1 Single-Axis Analog Gyroscope (Non-ITAR)

Compact, Solid-state Quartz MEMS Gyro

EMCORE’s Systron Donner Inertial Horizon™ is a compact, reliable, solid-state gyroscope designed for use by original equipment manufacturers (OEMs) and system integrators. The unit features a monolithic quartz sensing element, internal power regulation and a simple interface, providing a high-level +0.5 to +4.5 Vdc output signal. The HORIZON™ features excellent vibration performance, low noise and long life reliability.