Caeleste
Caeleste designs and manufactures custom CMOS image sensors for space, scientific, medical, and industrial customers requiring performance beyond commercial standards, supplying ESA mission-qualified radiation-hardened sensors, ultra-low-noise detectors, and hyperspectral imagers.
- Company typePrivate
- Founded2006
- HeadquartersMechelen, Belgium
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Caeleste does
Caeleste is a Belgian designer and manufacturer of custom CMOS image sensors, headquartered in Mechelen, Belgium, and founded in 2006 by Bart Dierickx, Patrick Henckes, and Nick Witvrouwen. The company focuses on applications where commercial off-the-shelf sensors are insufficient — including space missions, scientific instrumentation, medical and life-science imaging, electron microscopy, and high-end industrial vision — and is differentiated by proprietary technologies such as Floating Transfer Gate (FTG) pixel architecture achieving world-record 0.25 electron RMS noise, patented true synchronous HDR with global shutter, voltage-domain TDI with diffusion-enhanced pixels, radiation-hardened designs, hyperspectral sensing (up to 200 bands, 400–2450nm), and HYBRID-VIS hybrid visible/NIR integration developed with Advafab. Caeleste supplies ESA-qualified sensors used in flagship missions such as Hera's Asteroid Framing Camera and operates product lines including FaintStar, aLFA-C, and ELFIS2 alongside bespoke customer designs.
Caeleste firmographics
Firmographics- Name
- Caeleste
- Legal name
- Caeleste BV
- Website
- https://caeleste.be
- Company type
- Private
- Founded year
- 2006
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Caeleste designs and manufactures custom CMOS image sensors for space, scientific, medical, and industrial customers requiring performance beyond commercial standards, supplying ESA mission-qualified radiation-hardened sensors, ultra-low-noise detectors, and hyperspectral imagers.
- Ownership category
- akta.pro rank
Caeleste industry classification
Industry- Product category
- CMOS Image Sensors
- NAICS
- Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (33451), Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511), Other Measuring and Controlling Device Manufacturing (334519)
- SIC
- Optical Instruments & Lenses (3827), Industrial Instruments For Measurement, Display, And Control (3823), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812)
- akta.pro primary industry
- Imaging Sensors (CMOS/CCD/ToF/Depth) (HDAHALAF)
- akta.pro secondary industries
- Sensors, MEMS & Imaging ICs (HDAHAAAG), Sensor Fusion, Interface ICs & Modules (AFE/Readout/Packaging/Calibration) (HDAHALAO), Industrial-Grade Sensors & Transducer Components (Discrete sensing elements, transducers, MEMS sensors) (IMAGAJAO)
Keywords
Where Caeleste is headquartered
LocationHeadquarters
- HQ city
- Mechelen
- HQ country
- Belgium
- HQ region
- Europe
Offices1 record
Markets served
Caeleste business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Technology or R&D, Operations, Supply Chain
Revenue model
- Custom CMOS Image Sensor Design & Development: Caeleste generates revenue by designing and developing fully customized CMOS image sensors for specific customer applications. The company goes deep into trade-off spaces to realize specs beyond state-of-the-art for particular use cases, sacrificing other specs that are not essential. This is a project-based model where customers contract Caeleste for custom sensor development.
- Volume Production of Custom Sensors: Caeleste has successfully ramped-up waferscale image sensors with onboard ADCs into high-yielding volume production. This represents recurring revenue from customers who require ongoing production of custom-designed sensors.
- Standard Products: Caeleste offers several standard product lines including FaintStar, aLFA-C, and ELFIS2 sensors, which are sold to customers with specific needs that align with these pre-designed solutions.
Go-to-market motion1 record
Distribution channels3 records
Marketing channels7 records
Caeleste product offering
Product offeringCore offering
Caeleste designs and manufactures custom CMOS image sensors for space, scientific, medical, and industrial applications. The company specializes in beyond state-of-the-art custom sensor designs featuring ultra-low noise, high dynamic range, and radiation hardening, serving customers such as the European Space Agency (ESA), Direct Electron, and Jena-Optronik.
Differentiator
Problem solved
Functional benefit
Products and services
- FaintStar FaintStar is a custom CMOS image sensor referenced among Caeleste's product offerings, designed for specialized imaging applications requiring high sensitivity in low-light conditions.
- aLFA-C aLFA-C is a custom CMOS image sensor referenced among Caeleste's product offerings, designed for specialized imaging applications with demanding performance specifications.
- ELFIS2 ELFIS2 is a custom CMOS image sensor referenced among Caeleste's product offerings, designed for specialized imaging applications with demanding performance specifications.
- Custom CMOS Image Sensor Design Services Caeleste offers custom CMOS image sensor design services to customers requiring image sensors tailored to specific application requirements beyond the capabilities of standard commercial offerings.
Quantifiable outcome
- World record 0.5 Angstrom resolution in electron microscopy achieved using Direct Electron's Apollo camera with Caeleste's image sensor - twice the previous record of 1 Angstrom
- +4 more outcomes
Companies that use Caeleste
Customer profileNamed customers6 records
Segments3 records
Ideal customer profiles1 record
Caeleste technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability3 records
Feature10 records
Caeleste partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered core, major and minor.
- European Southern Observatory (ESO)coreCaeleste collaborated with ESO to host a webinar on 'The Future of Detectors in Astronomy.' ESO experts (Derek Ives, Head of Detector Systems, and Dr. Elizabeth George, Detector Physicist) joined Caeleste representatives (Ajit Kalgi, Director of Design Center, and Jan Vermeiren, Business Development Manager) to discuss detector technologies for astronomical research.
- SINTEFmajorCaeleste developed the FLAMES flash-LIDAR image sensor in collaboration with SINTEF under ESA Contract No. 4000138083/22/NL/AR. FLAMES is a flash-LIDAR for space applications including controlled soft vehicle landing, navigation of rovers, and in-flight rendezvous of spacecraft.
- AMOSmajorCaeleste's hyperspectral sensor is used in the AMOS ELOIS Spectrometer, which has completed its development phase and is now fully space-flight qualified. The 40kg instrument is dedicated to small satellites and offers excellent radiometric performance (SNR up to 400) over the 400-2450nm solar spectrum.
- KU Leuven (MICAS)minorCaeleste participates in KU Leuven's MICAS Micro-Credential Course on Analog Layout, with Senior Analog Design Engineer Arne Crouwels teaching module sessions. The course covers image sensing concepts, pixel array layouts, and wafer scale design. Collaboration includes other companies: ICsense, SOFICS, OMNIVISION, and Cyient.
- AdvafabcoreCaeleste partnered with Advafab to develop the HYBRID-VIS image sensor - an innovative two-part hybrid device combining visible and near-infrared detection technology. The partnership uses a unique pillar interconnection process and flip-chip manufacturing technique, separating pixel area from read-out electronics. The device received final acceptance from ESA in October 2023.
- Jena-Optronik GmbHcoreJena-Optronik integrates Caeleste's FaintStar2 sensor into their Asteroid Framing Camera (AFC) for ESA's Hera mission. The German company is responsible for designing, manufacturing, and testing the AFC, with Caeleste's radiation-hardened sensor at its core. The AFC incorporates two baffle-protected cameras for redundancy, each using a 1020x1020 monochrome FaintStar2 sensor.
- Direct ElectroncoreCaeleste collaborates with Direct Electron on electron microscopy camera development. Caeleste designs the image sensor technology used in Direct Electron's Apollo ultra-fast electron counting camera, which achieved a world record 0.5 Angstrom resolution in electron microscopy. This collaboration combines Direct Electron's camera technology with Caeleste's image sensor expertise for cryo-EM and MicroED applications.
- European Space Agency (ESA)coreCaeleste works extensively with ESA on multiple projects including the Hera mission (FaintStar2 sensor), FLAMES project (indirect ToF), and HYBRID-VIS device acceptance. ESA's Technology Transfer Programme encouraged the use of space technologies for non-space applications.
- ParadromicsminorCreative collaboration resulted in a new paradigm in neural recording. Caeleste provided image sensor technology for Paradromics' neural recording applications, enabling advanced brain-computer interface research.
Scale indicators6 records
Recent moves6 records
Expansion highlights6 records
Caeleste competitors and assessment
Company assessmentDirect peers
- Teledyne Imaging (Teledyne e2v): Teledyne e2v designs and manufactures custom and semi-custom CMOS and CCD image sensors for space, scientific, and industrial markets. It is the most direct competitor to Caeleste, with overlapping offerings in radiation-hardened, low-noise, and high-dynamic-range sensors for ESA and other space customers.
- Hamamatsu Photonics: Hamamatsu supplies scientific and industrial image sensors, including low-noise CMOS and CCD devices for astronomy, microscopy, and medical imaging. It is a like-for-like competitor in the high-end scientific imaging segment where Caeleste operates.
- Gpixel: Gpixel designs custom and standard high-performance CMOS image sensors targeting scientific, industrial, and machine-vision applications. Like Caeleste, it focuses on low-noise, high-speed, and large-format scientific image sensors, often in direct competition for the same end customers.
- Photonfocus: Photonfocus designs and manufactures CMOS image sensors and cameras for industrial inspection, machine vision, and scientific imaging. It is a smaller, more focused peer with overlapping custom/low-noise sensor capabilities in industrial markets.
Broad incumbents
- ams OSRAM: ams OSRAM is a broad opto-semiconductor incumbent with a portfolio spanning image sensors, illumination, and optical sensing. While much larger and more diversified, it competes with Caeleste in selected industrial, medical, and high-end specialty imaging applications.
- Sony Semiconductor Solutions: Sony is the global leader in CMOS image sensors with offerings across consumer, industrial, automotive, and scientific markets. It represents the ultimate competitive ceiling: a much larger incumbent with R&D scale that occasionally overlaps with Caeleste's higher-end scientific and industrial parts.
- onsemi (ON Semiconductor): onsemi is a major broad-line image sensor supplier serving automotive, industrial, and consumer markets. It is a relevant incumbent peer due to its industrial and machine-vision image sensor portfolio, which overlaps with parts of Caeleste's industrial and professional imaging business.
- OmniVision Technologies: OmniVision designs and supplies high-volume CMOS image sensors for a wide range of markets. It serves as a broad incumbent reference for Caeleste, particularly in industrial and medical imaging segments where it offers higher-volume, lower-cost alternatives to Caeleste's custom designs.
- STMicroelectronics: STMicroelectronics offers image sensors and global-shutter CMOS devices for industrial and automotive applications. As a large semiconductor incumbent with a custom-design capability, it is a relevant broader-market peer to Caeleste, particularly for industrial imaging customers.
Others
- X-FAB Silicon Foundries: X-FAB is a specialty analog/mixed-signal foundry that produces CMOS image sensors on dedicated image-sensor process nodes. It is an adjacent enabling peer rather than a direct competitor, providing the manufacturing infrastructure Caeleste relies on for its custom designs.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Caeleste social profiles
Digital presenceCaeleste financial estimates
Financial estimateRevenue estimate
Valuation estimate
Caeleste leadership team
Management profileNumber of profiles
Caeleste funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Caeleste M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Caeleste
What does Caeleste do?
Caeleste designs and manufactures custom CMOS image sensors for space, scientific, medical, and industrial applications. The company specializes in beyond state-of-the-art custom sensor designs featuring ultra-low noise, high dynamic range, and radiation hardening, serving customers such as the European Space Agency (ESA), Direct Electron, and Jena-Optronik.
Is Caeleste a public or private company?
Caeleste is a private company. It is classified as unknown and is currently operating.
When was Caeleste founded?
Caeleste was founded in 2006. It employs 11 to 50 people.
Where is Caeleste based?
Caeleste is headquartered in Mechelen, Belgium, in the Europe region.
How does Caeleste make money?
Three revenue lines are on record. Custom CMOS Image Sensor Design & Development is the primary driver. The others are volume Production of Custom Sensors and standard Products.
Who are Caeleste's main competitors?
Direct peers on record are Teledyne Imaging (Teledyne e2v), Hamamatsu Photonics, Gpixel and Photonfocus. Broad incumbents are ams OSRAM, Sony Semiconductor Solutions, onsemi (ON Semiconductor), OmniVision Technologies and STMicroelectronics. X-FAB Silicon Foundries is listed as an others.
Does Caeleste have an API?
No public API is recorded for Caeleste.
What industry is Caeleste in?
Caeleste's product category is CMOS Image Sensors. Its primary akta.pro industry code is HDAHALAF, Imaging Sensors (CMOS/CCD/ToF/Depth), with a secondary code of HDAHAAAG, Sensors, MEMS & Imaging ICs. Its NAICS code is 33451 and its SIC code is 3827.