Pixel size from 1.40 µm up to 3.50 µm
For measuring focused laser beams down to 10 µm or less, Femto Easy BeamPro beam profilers offer the industry’s smallest pixel size, ensuring maximum accuracy for tightly focused laser characterization.
Small pixels down to 1.40 µm
High resolution up to 20 MPix
UV - VIS - SWIR

Available documentation
2D / 3D drawings
BeamPro - Format A
BeamPro - Format C
BeamPro - Format D
BeamPro - Format F
Scientific papers
Intergranular stress and plastic strain formation during laser scanning of additively manufactured stainless steel: An experimentally-driven thermomechanical simulation study
Mohanan, Nikhil; Macías, Juan Guillermo Santos; Bleyer, Jeremy; Helfer, Thomas; Upadhyay, Manas V;
Materialia; 2024, Elsevier
Ecole Polytechnique; France
Subsurface hardening of Al irradiated with ultrafast infrared laser
Lucas Rousseau, Djafar Iabbaden, Xxx Sedao, Nathalie Peillon, Szilvia Kalácska, Eleanor Lawrence Bright, Guillaume Kermouche
ScienceDirect; 2025, ScienceDirect
LHC; France
Logical rotation of non-separable states via uniformly self-assembled chiral superstructures
Zhang, Yi-Heng; Liu, Si-Jia; Chen, Peng; Zhu, Dong; Chen, Wen; Ge, Shi-Jun; Wang, Yu; Zhang, Zhi-Feng; Lu, Yan-Qing;
Nature Communications; 2024, Nature Publishing Group UK London
Nanjing University; China
Investigation of laser-induced contamination on dielectric thin films in MHz sub-ps regime
Stehlik, Marek; Zideluns, Janis; Petite, Camille; Allard, Valentin; Minissale, Marco; Moreau, Antonin; Lereu, Aude; Lemarchand, Fabien; Wagner, Frank; Lumeau, Julien;
Advanced Optical Technologies; 2024, Frontiers Media SA
Institut Fresnel; France
Beam-size effects on the measurement of sub-picosecond intrinsic laser induced damage threshold of dielectric oxide coatings
Stehlík, Marek; Wagner, Frank; Zideluns, Janis; Lemarchand, Fabien; Lumeau, Julien; Gallais, Laurent;
Applied optics; 2021, Optica Publishing Group
Institut Fresnel; France
Experimental upper bounds for resonance-enhanced entangled two-photon absorption cross section of indocyanine green
He, Manni; Hickam, Bryce P; Harper, Nathan; Cushing, Scott K;
The Journal of Chemical Physics; 2024, AIP Publishing
Caltech; USA
Product reviews
Specifications:
Beam Pro small pixels
| wdt_ID | wdt_created_by | wdt_created_at | wdt_last_edited_by | wdt_last_edited_at | - | µ-BP7.5+ | µ-BP6.3+ | BP7.6+ | µ-BP8.4+ | µ-BP7.7+ | BP13.9+ | BP6.5 | BP11.10 | µ-BP7.4 | BP8.7 | VSWIR 7.5 | VSWIR 9.7 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Goran | 10/02/2026 05:47 PM | Goran | 10/02/2026 05:47 PM | Pixel size (µm) | 1.4 | 1.45 | 1.85 | 2 | 2 | 2.4 | 2.5 | 2.5 | 3.45 | 3.45 | 3.45 | 3.45 |
| 2 | Goran | 10/02/2026 05:47 PM | Goran | 10/02/2026 05:47 PM | Spectral range (nm) | 375 - 1100 (190 - 1100 with UV option) | 375 - 1100 (190 - 1100 with UV option) | 375 - 1100 (190 - 1100 with UV option) | 375 - 1100 (190 - 1100 with UV option) | 375 - 1100 (190 - 1100 with UV option) | 375 - 1100 (190 - 1100 with UV option) | 375 - 1100 (190 - 1100 with UV option) | 375 - 1100 (190 - 1100 with UV option) | 375 - 1100 (190 - 1100 with UV option) | 375 - 1100 (190 - 1100 with UV option) | 400 - 1700 | 400 - 1700 |
| 3 | Goran | 10/02/2026 05:47 PM | Goran | 10/02/2026 05:47 PM | Sensor size (mm) | ||||||||||||
| 4 | Goran | 10/02/2026 05:47 PM | Goran | 10/02/2026 05:47 PM | 7.2 x 5.4 | 5.6 x 3.1 | 7.4 x 5.5 | 7.7 x 4.3 | 7.1 x 7.1 | 13.3 x 8.9 | 6.5 x 5.4 | 11.3 x 10.2 | 6.6 x 4.2 | 8.4 x 7.1 | 7.1 x 5.3 | 8.8 x 7.1 | |
| 5 | Goran | 10/02/2026 05:47 PM | Goran | 10/02/2026 05:47 PM | Sensor format | M | S | M | M | M | L | M | L | M | L | M | L |
| 6 | Goran | 10/02/2026 05:47 PM | Goran | 10/02/2026 05:47 PM | 1/1.8" | 1/3" | 1/1.7" | 1/1.8" | 1/1.7" | 1" | 1/2" | 1" | 1/2.3" | 2/3" | 1/1.8" | 1/1.4" | |
| 7 | Goran | 10/02/2026 05:47 PM | Goran | 10/02/2026 05:47 PM | Resolution | 5136 x 3856 - 19.8 Mpx | 3864 x 2176 - 8.4 Mpx | 4000 x 3000 - 12 Mpx | 3840 x 2160 - 8.3 Mpx | 3552 x 3552 - 12.6 Mpx | 5536 x 3692 - 20.4Mpx | 2600 x 2160 - 5.6 Mpx | 4508 x 4096 - 18.4 Mpx | 1920 x 1200 - 2.3 Mpx | 2448 x 2048 - 5.0 Mpx | 2048 x 1536 - 3.1 Mpx | 2560 x 2048 - 5.3 Mpx |
| 8 | Goran | 10/02/2026 05:47 PM | Goran | 10/02/2026 05:47 PM | Shutter type | Rolling | Rolling | Rolling | Rolling | Rolling | Rolling | Global | Global | Global | Global | Global | Global |
| 9 | Goran | 10/02/2026 05:47 PM | Goran | 10/02/2026 05:47 PM | Min beam diameter (Φ FWHM, µm)1 | 6 | 7 | 9 | 9 | 9 | 12 | 12 | 12 | 17 | 17 | 17 | 17 |
| 10 | Goran | 10/02/2026 05:47 PM | Goran | 10/02/2026 05:47 PM | Max acquisition frame rate (fps)2 | 8 | 25 | 33 | 22 | 8 | 20 | 35 | 11 | 80 | 36 | 60 | 36 |
| - | µ-BP7.5+ | µ-BP6.3+ | BP7.6+ | µ-BP8.4+ | µ-BP7.7+ | BP13.9+ | BP6.5 | BP11.10 | µ-BP7.4 | BP8.7 | VSWIR 7.5 | VSWIR 9.7 |
1 The minimum beam diameters are specified for a precision of measurement better than 1%. Smaller beam diameter can be measured but the error will progressively increase.
2 Depending on the type of calculation, frame rate may vary.
3 Due to rolling shutter, the actual minimum exposure time to properly capture the whole beam will be limited by the laser beam size (in case of single-shot measurement) or by the laser repetition rate. For single-shot measurement : the larger the beam, the longer the required minimum exposure time. Otherwise, the slower the repetition rate, the longer the required minimum exposure time.
Optional features
Windowless
Removal of the BeamPro sensor window to avoid potential interferences
UV extension
Increases the BeamPro wavelength range to the UV region, down to 190 nm
Additional ND filters
The default BeamPro configuration includes one ND filter (OD3). Additional filter with different specifications can be ordered (OD1 to OD4). Delivered with a pair of individual protection caps
High Dynamic Range
Software mode to increase the dynamic of the BeamPro signal acquisition from 12 to 16 bits. Not compatible with pure single-shot measurement as 2 images are necessary to build one beam profile image
Vacuum compatible versions up to 10-8 mbar
Possibility to place the BeamPro and perform measurements directly inside a UHV vacuum chamber (not available for all models, please contact us for details)
Trigger
Synchronization of the BeamPro detection to an external signal for accurate laser single pulse measurement
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