OPTICAL ENCODER MARKET ANALYSIS

Optical Encoder Market Size and Trends

The global optical encoder market is estimated to be valued at US$ 3,005.20 Mn in 2024 and is expected to reach US$ 7,011.50 Mn by 2031, exhibiting a compound annual growth rate (CAGR) of 12.9% from 2024 to 2031.

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The optical encoder market is expected to witness significant growth over the forecast period. The rising demand for optical encoders from various end-use industries such as electronics, packaging, healthcare, manufacturing, and aerospace & defense is expected to drive the market growth. Optical encoders offer various advantages over traditional encoders such as high resolution, accuracy, and reliability. Furthermore, increasing automation in industries and focus towards Industry 4.0 is also projected to propel the demand for optical encoders. The adoption of sensor-based technologies to enhance efficiency and reduce downtime will further support revenue generation in the coming years. However, high initial investment for the deployment of optical encoder technology may hamper the market growth to some extent over the forecast timeframe.

Increased Industrial Automation and Robotics

With advancements in industrial automation and robotics technologies, the demand for optical encoders is growing rapidly across diverse manufacturing sectors. Optical encoders are essential components that play a key role in ensuring precise motion control, feedback, and positioning required for automated industrial processes and robots. They help integrate various automated machines and robotic devices within production lines at factories to improve quality, efficiency, and minimize human errors. Growing focus on industrial automation to enhance productivity and reduce manufacturing costs is a major factor driving the need for high-precision motion control systems based on optical encoders. Major industrial robotics markets like automotive, electronics, and food & beverages are increasingly automating their assembly and production lines with robotic arms, AGVs, and other automated machines which rely on high-resolution encoder feedback for navigation and handling tasks. The widening application scope of robotics in new verticals like logistics, healthcare, and construction is also augmenting market opportunities for optical encoder suppliers. With initiatives toward Industry 4.0 revolutionizing industrial environments, the implementation of automation, robotics, and Industrial Internet of Things - IIoT solutions is expected to pick up pace worldwide in coming years, further fueling demand for robust optical encoder technology.

For instance, in March 2020, Renishaw plc, a leading engineering and scientific technology company, based in U.K., launched a new range of encoder solutions designed specifically for partial arc measurement applications.

Market Concentration and Competitive Landscape

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Increased Adoption of Electric Vehicles

Rising adoption of battery-powered electric vehicles globally has emerged as a prominent driver for the optical encoder market. Optical encoders play a vital role in ensuring precise torque control and position sensing for gear shifts, steering, and other electro-mechanical modules in electric vehicles. With stringent emission norms and policies incentivizing electric mobility transition, major automobile manufacturers are heavily investing in developing new Electric Vehicle models which depend on accurate optical encoder feedback systems for the optimal performance of electric powertrains, drive units, and auxiliary functions. The increasing complexity of modern automotive systems is also driving the higher integration of encoders within brake systems, suspension, and advanced driver-assistance systems. Additionally, the growing popularity of autonomous, self-driving electric cars is propelling research into advanced motion control applications using high-resolution encoders. Continued technological innovations to enhance vehicle range, efficiency, and autonomous driving capabilities will further bolster the uptake of optical encoders in automotive sector. Stringent fuel efficiency and emission regulations worldwide aimed at curbing urban pollution are encouraging more consumers to adopt electric vehicles, thus accelerating revenue opportunities for optical encoder providers.

Key Takeaways from Analyst:

The rising demand for precise motion control systems across industries such as automotive, electronics, and healthcare will be a key growth driver. Optical encoders offer high resolution and accuracy, which is fueling their adoption over traditional encoder types. Their operating versatility and capability to function under harsh environmental conditions without failure also works in their favor.

North America currently dominates the optical encoder market owing to strong investments in factory automation. However, Asia Pacific is expected to emerge as the fastest growing regional market with China and India at the forefront. This can be attributed to increasing industrialization and massive ongoing infrastructure development projects in the region. The market will also receive a boost from government initiatives focused on promoting domestic manufacturing.

Higher complexity and cost compared to traditional encoders remains a challenge. However, continual technological advancements aimed at miniaturization and cost reduction will help address this concern to some extent. Ongoing R&D focused on integrating photonics, MEMS, and CMOS technology is also expanding the application scope of optical encoders.

In summary, robust demand from key end-use industries, increasing adoption in industrial automation applications, and government support for domestic manufacturing are fueling global market expansion. While high costs currently limit penetration in price sensitive sectors, ongoing innovations are helping overcome challenges.

Market Challenges: High manufacturing cost

Optical encoders serve a variety of critical functions and require high-quality components and precision manufacturing to function properly. The components used in optical encoders such as lenses, sensors and other optical elements require sophisticated manufacturing processes and cleanroom production environments that increase costs. The assembly and testing of these precise components into fully functioning encoder units is also a labor intensive and costly process. For example, assembling the photoelectric detector, code disc and light source in a precise arrangement within tight tolerances takes significant skilled labor hours. In addition, optical encoders are usually custom-designed and calibrated for different applications, which adds further non-recurring engineering and design costs.

Market Opportunities: Automotive industry growth

The automotive industry has shown robust growth over the past few years and this growth is projected to continue well into the future. As automotive production increases globally to meet the rising vehicle demand, it will drive significant opportunities for components and technologies that support automobile manufacturing.

One such component that is witnessing increased adoption is optical encoders. Optical encoders are integral to key functions in modern vehicles like engine management, transmission control, power steering, active suspension, acceleration/braking systems, and others. Their accurate motion sensing capability enables precise control and feedback required for advanced driver-assistance systems, infotainment controls, and autonomous functionalities. As automakers strive to incorporate more electronically-controlled features and transition towards electric and self-driving vehicles, their dependence on optical encoders will rise substantially.

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Insights By Configuration - Precision and stability drive shafted encoder market share

In terms of configuration, shafted is expected to contribute 35.6% share in 2024 for the market owing to its precision and stability. Shafted encoders offer high resolution, repeatability, and accuracy due to the direct coupling between the code disk and signal readout system. This direct physical connection minimizes inaccuracies from vibration or shock that could occur in other encoding types. Shafted encoders are commonly used in industrial automation equipment such as motor feedback systems, CNC machines, and industrial robots. Their robust design makes them well-suited to harsh industrial environments with particulates, temperature fluctuations, and physical vibrations. The rigid coupling of the coding element to the shaft helps provide stable, reliable position data even under demanding conditions. Additionally, shafted encoders typically offer the highest resolutions of all encoder types, making them preferable for applications requiring precise motion control or position measurements. Their precision and resilience drive the continued preference for shafted encoders in industrial applications.

Insights By Output Signal - Digital precision drives growth in digital optical encoders

In terms of output signal, digital is expected to contribute 55.1% share in 2024 for the market owing to its precision and flexibility. Digital encoders offer increased accuracy and resolution compared to analog models as their signals contain discrete, unambiguous position values rather than continuous analog voltages. This allows for higher precision motion control and error-free position sensing. Digital outputs also provide improved noise immunity, as small voltage variations do not translate to spurious position readings. Optical encoder manufacturers continue to add digital interfaces such as Gray code, SSI and BiSS to their product lines, driving adoption. Digital encoders offer flexible, customizable outputs that can be adapted to new protocols as interface standards evolve. Their precision digital signals and compatibility with emerging interfaces drive the growing prominence of digital optical encoders.

Insights By Application - Healthcare advancements drive growth in medical equipment encoders

In terms of application, healthcare equipment is expected to contribute 34.2% share in 2024 for the market owing to advancements in medical technology. Optical encoders are crucial components in diverse medical devices from CT (computed tomography) and MRI (magnetic resonance imaging) imaging systems to surgical robots, rehabilitation equipment and diagnostic tools. As healthcare technologies evolve to new standards of precision, smaller scales and sophisticated integrated designs, stringent motion control, and miniaturized sensing become essential. Optical encoders meet these demands with high resolution position feedback, resistance to sterilization, compact sizes and reliability. Their role in guiding minimally invasive surgical procedures, powering complex imaging machines, and automating rehabilitative therapies bolsters growth. Expanding medical technology, focus on patient access to advanced care and rising healthcare expenditures worldwide continue driving incorporation of precise, versatile optical encoders. The demand for higher performance encoders from emerging healthcare applications makes this an especially dynamic market segment.

Regional Insights

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North America has established itself as the dominant region in the global optical encoder market. The region is expected to account for 36.3% market share in 2024. The presence of major encoder manufacturers, such as US Digital, Baumer, and BEI Sensors, have endowed North America with a considerable advantage in terms of technological expertise and industry experience. Rigorous R&D investments by these players have enabled them to introduce innovative encoder solutions that cater to diverse industrial requirements. Furthermore, the region's manufacturing industries like automobiles, machinery, and semiconductors create a sustained demand for optical encoders used in a variety of motion control and feedback applications.

In contrast, Asia Pacific is expected to emerge as the fastest growing regional market for optical encoders globally over the past five years. Countries like China, Japan, South Korea, and India serve as major manufacturing hubs and have witnessed rapid industrial expansion during this period. This has positively impacted the adoption of automation technologies like optical encoders across various sectors. In particular, growing electronics and automotive production in China and Japan has significantly boosted the consumption of encoders in these countries. The availability of cheap labor has helped encoder manufacturers establish cost-competitive production facilities in Asia Pacific. This has enhanced affordability and expanded the customer base. Additionally, exchanges between Asia Pacific and other developed markets through imports and exports have strengthened the region's position in the global supply chain.

While North America still commands the largest market share globally, the gap is gradually narrowing as Asia Pacific gains momentum. The regional growth is anticipated to accelerate further on the back of ongoing industrialization programs and Make-in-India initiatives that prioritize domestic manufacturing. Collectively, these dynamics are fueling the Asia Pacific optical encoder market and making it an intense area of focus for global industry participants.

Market Report Scope

Optical Encoder Industry News

• In June 2023, Bourns, Inc., a prominent manufacturer and supplier of electronic components for power, protection, and sensing solutions, announced the release of the PEC11J series encoder as a drop-in replacement for the discontinued ALPS Model EC11J Series. This modified configuration of the Bourns PEC11S series allows customers to continue supporting existing applications without altering their mechanical or electrical layouts.
• In March 2023, POSITAL, manufactures industrial rotary encoders, incremental encoders, absolute encoders, inclinometers and linear sensors with integrated interfaces introduced a significant upgrade to its IXARC line of incremental rotary encoders. The new encoders feature advanced magnetic sensor technology and more energy-efficient embedded microcontrollers. Despite maintaining mechanical and electrical compatibility with previous models, the upgraded IXARC encoders will provide customers with reduced power consumption and an important consideration for complex applications involving multiple interconnected devices.
• In January 2021, Renishaw plc, a British engineering company introduced its innovative FORTiS series of enclosed linear absolute encoders, specifically designed for use in harsh environments like machine tools. This cutting-edge technology offers exceptional resistance to the ingress of solid debris and liquids, ensuring reliable performance in demanding applications.
• In December 2021, C&K, manufacturers of high-quality electromechanical switches introduced a new optical rotary encoder, the ENC Series 24-Position Optical Encoder, which features an integrated pushbutton. This new ENC Series encoder was developed as an enhancement to C&K's highly successful 16-position optical encoder model.

*Definition: The global optical encoder market involves optical devices that convert the angular position or motion of a shaft or axle to a digital code used for position feedback control. Optical encoders are widely used in various industrial automation applications such as motor control, automation, robotics, motion control, CNC machines, and factory automation where accurate digital positioning is required. They provide high resolution and reliability even in harsh environments through non-contact design.

Market Segmentation

• Configuration Insights (Revenue, US$ Mn, 2019 - 2031)
  • Shafted
  • Hollow Shaft
  • Absolute Single Turn
  • Multi-turn
  • Incremental
•  Output Signal Insights (Revenue, US$ Mn, 2019 - 2031)
  • Analog
  • Digital
•  Application Insights (Revenue, US$ Mn, 2019 - 2031)
  • Healthcare Equipment
  • Metalworking Equipment
  • Consumer Electronics and Semiconductor Manufacturing Equipment
  • Communication System
  • Test and Measurement Equipment
  • Assembly and Robotics Equipment
  • Others
• Regional Insights (Revenue, US$ Mn, 2019 - 2031)
  • North America
    • U.S.
    • Canada
  • Latin America
    • Brazil
    • Argentina
    • Mexico
    • Rest of Latin America
  • Europe
    • Germany
    • U.K.
    • Spain
    • France
    • Italy
    • Russia
    • Rest of Europe
  • Asia Pacific
    • China
    • India
    • Japan
    • Australia
    • South Korea
    • ASEAN
    • Rest of Asia Pacific
  • Middle East & Africa
    • GCC Countries
    • Israel
    • South Africa
    • Rest of Middle East & Africa
• Key Players Insights
  • Baumer Group
  • BEI Sensors
  • Bourns, Inc.
  • Broadcom Inc.
  • CUI Inc.
  • Dynapar Corporation
  • Fortive (Dynapar Corporation)
  • FRABA B.V.
  • HEIDENHAIN
  • Hengstler
  • IFM Electronics
  • POSITAL FRABA
  • Renishaw plc
  • Sensata Technologies
  • Tokyo Electric Co., Ltd.