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Passat Ltd
IndustryElectronics, Optoelectronics and Electrical/Optical engineering
Founded1995
HeadquartersVaughan, Canada
ProductsPicosecond Diode-Pumped Solid-State Lasers (DPSS)

Sub-Nanosecond Diode-Pumped Solid-State Lasers

Faraday Rotators & Isolators
ServicesLaser Micromachining

Laser Renting Services

Custom DPSS Laser Design
Number of employees
10-30
Websitehttps://passatltd.com/

Passat Ltd.[1] is a Canadian company specializing in the design and manufacture of diode-pumped solid-state lasers (DPSS) and related optical components.[2] Established in 1995, the company is headquartered in Vaughan, Ontario, and serves clients worldwide across various industries, including aerospace, electronics, and materials processing.[3]

History

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Passat Ltd. was founded in 1995 with a focus on developing compact, all-solid-state picosecond[4] DPSS lasers. Over the years, the company has expanded its product line to include sub-nanosecond lasers[5], custom laser systems, and optical components such as Faraday rotators and isolators. Passat's lasers have been supplied to over 30 countries and have been utilized in applications ranging from materials processing to scientific research.[6]

Products and services

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Diode-Pumped Solid-State Lasers

Passat offers a range of DPSS lasers, including picosecond and sub-nanosecond models. These lasers cover a spectral range from deep ultraviolet (213 nm, 266 nm, 355 nm) to eye-safe wavelengths (1.6 µm). Notable products include the "Compiler"[7][8] series and "Sub-Naples" lasers, known for their high peak power and compact design[9]

Faraday Rotators and Isolators

The company manufactures Faraday rotators and isolators characterized by their compact size, high transparency, and extinction ratios of 35–40 dB. High-power, cooled models are also available.[10]

Laser Micromachining Services

Passat provides laser micromachining services, including drilling, milling, scribing, and patterning. The company specializes in creating micro-holes with large depth-to-diameter ratios in various materials. Additionally, Passat offers rental services for its DPSS lasers.[11]

Applications

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Passat Ltd. specializes in laser micromachining services, utilizing diode-pumped solid-state (DPSS) lasers to process a variety of materials with high precision. Their applications include:[12]

  • Laser Micro-Drilling: Creating micro-holes in various materials for use as high-precision pinholes, nozzles, orifices, and vias. Passat Lasers
  • Laser Micro-Milling: Producing fine features in materials, ideal for manufacturing micro-moulds, micro-stamping tools, and microfluidic devices.
  • Laser Micro-Scribing: Scribing fine slots in materials such as ceramics, silicon, sapphire, metals, and glass. These slots are applicable in processes like the Laser Groove Buried Grid (LGBG) used in photovoltaic cell production.
  • Laser Micro-Patterning: Engraving patterns or shapes onto various materials by scanning the laser beam over the surface to remove small amounts of material per pulse.

Additionally, Passat Ltd.'s Compiler series of high-energy DPSS picosecond lasers are utilized in various advanced applications:[13]

  • Photoionization: Ionizing atoms or molecules using laser photons for analytical applications.
  • Laser-Induced Breakdown Spectroscopy (LIBS): Analyzing the composition of materials by observing the light emitted from a plasma generated by laser pulses.
  • Laser Ablation, Fragmentation, and Destruction: Removing material from a solid surface by irradiating it with a laser beam.
  • Photolithography: Transferring geometric patterns onto a substrate using light, commonly used in semiconductor manufacturing.
  • Laser-Induced Fluorescence (LIF): Detecting and analyzing the fluorescence emitted by a substance after it has absorbed laser light.
  • Raman Spectroscopy: Studying vibrational, rotational, and other low-frequency modes in a system using laser light scattering.
  • Time-Resolved Spectroscopy: Observing the evolution of a system over time after it has been excited by a laser pulse.
  • Remote Sensing: Collecting information about objects or areas from a distance, often using laser-based technologies like LIDAR[14]
  • Medical and Biomedical Research: Applying laser technologies in medical diagnostics, treatment, and research.
  • Photo-Acoustic Imaging: Combining laser-induced ultrasound with imaging techniques for medical diagnostics.
Certificate of Recognition for outstanding performance and lasting contribution to the success of the Phoenix MET Instrument

Notable Projects

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  • Phoenix Mars Mission (2008): Passat Ltd. contributed to the Canadian Space Agency's involvement in NASA's Phoenix Mars Lander mission by providing expertise in laser technology, supporting the development of the Meteorological Station's lidar instrument.[15] This instrument was pivotal in detecting snow in the Martian atmosphere, marking a significant milestone in planetary science.[16]
  • Canadian Space Agency Lidar Project (2009): In collaboration with the Canadian Space Agency (CSA), Passat Ltd. received a $200,000 contract to develop the conceptual design for a space-borne lidar (Light Detection and Ranging) system using picosecond laser pulses. The goal of this project was to enable high-resolution three-dimensional Earth observation by significantly enhancing the spatial and temporal accuracy of remote sensing instruments. This work contributed to the development of advanced photonics solutions for space-based atmospheric and surface studies.[17]
  • In 2016, Passat Ltd. partnered with the University of Manitoba and the Institut National de la Recherche Scientifique (INRS) on a research initiative funded by the Natural Sciences and Engineering Research Council of Canada (NSERC). The project, led by Professor Arkady Major, aimed to develop advanced frequency conversion techniques for laser radiation, leveraging the autoresonance effect in nonlinear crystals. This collaboration sought to enhance laser material processing technologies applicable to industries such as semiconductors, portable electronics, and medical devices. Passat Ltd., along with Attodyne Inc., contributed its expertise in industrial laser systems, positioning both companies to commercialize the resulting technologies. The project also focused on training graduate and undergraduate students, as well as post-doctoral fellows, to bolster Canada's competitiveness in the global laser technology sector.[18]

Locations

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  • Canada (Headquarters): 240 Viceroy Rd. Unit 4, Vaughan, Ontario L4K 3N9[19]
  • USA: 1124 Kingsbury Rd., Owings Mills, MD 21117[20]

References

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  1. ^ "Passat Company Profile | Management and Employees List". Datanyze. Retrieved 2025-06-13.
  2. ^ "Global Diode-pumped Solid-state Laser (DPSSL) Market Competitive Landscape 2025-2032". www.statsndata.org. Retrieved 2025-05-16.
  3. ^ Dun &, Bradstreet. "Passat Ltd. company profile".
  4. ^ Pasmanik, Guerman A. (2017) [29 August 2017]. "New generation of picosecond Raman lasers and their applications for material processing: From IR to UV". In Armitage, John C. (ed.). Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging. p. 2. doi:10.1117/12.2283799. ISBN 978-1-5106-1071-2.
  5. ^ "Global Subnanosecond Lasers Market Insights - Industry Share, Sales Projections, and Demand Outlook 2024-2030". qyresearch.in. Retrieved 2025-05-16.
  6. ^ "Passat Reserch/Projects". Cognit CA. Retrieved 2025-05-14.
  7. ^ Wang, Siqi; Echeverry, Jesse; Trevisi, Luis; Prather, Kiana; Xiang, Liangzhong; Liu, Yingtao (2020-03-20). "Ultrahigh Resolution Pulsed Laser-Induced Photoacoustic Detection of Multi-Scale Damage in CFRP Composites". Applied Sciences. 10 (6): 2106. doi:10.3390/app10062106. ISSN 2076-3417.
  8. ^ Zhao, Yue; Wang, Siqi; Merrill, John A.; Arellano, Jesus D.; Trevisi, Luis M.; Li, Yizhou; Xiang, Liangzhong; Qu, Junle; Liu, Liwei (2020-04-01). "Triplex radiometric, photoacoustic, and ultrasonic imaging based on single-pulse excitation". Optics Letters. 45 (7): 1703–1706. Bibcode:2020OptL...45.1703Z. doi:10.1364/OL.387501. ISSN 1539-4794. PMC 7995640. PMID 32235978.
  9. ^ "Laser Modules & Systems from Passat Ltd. - GoPhotonics". www.gophotonics.com. Retrieved 2025-05-13.
  10. ^ "Unveiling Faraday Rotators and Isolators Growth Patterns: CAGR Analysis and Forecasts 2025-2033". www.datainsightsmarket.com. 29 April 2025. Retrieved 2025-05-14.
  11. ^ "Passat Ltd., profile with contact details and 11 photonics product categories". www.rp-photonics.com. Retrieved 2025-05-16.
  12. ^ "Potential of compact diode-pumped lasers as ultrafast burst-mode systems for materials-processing and surgery". Cognit CA. Retrieved 2025-05-14.
  13. ^ "Advanced Laser Light Source (ALLS)". navigator.innovation.ca. Retrieved 2025-05-14.
  14. ^ Tiour, L.; Pasmnanik, G.; Shilov, A.; Shklovsky, E.; Dudelzak, A. (2002-05-19). "A Highly Efficient Diode-Pumped Frequency-Converted Picosecond UV Laser". Conference on Lasers and Electro-Optics (2002), Paper CMS3. Optica Publishing Group: CMS3.
  15. ^ kudoushinichi (2013-05-22). "Passat Ltd. Celebrates 25 years of manufacturing Diode Pumped Solid State Short Pulse Lasers" (in German). Retrieved 2025-06-13.
  16. ^ "Phoenix Mars Mission - Home". 2008-02-28. Archived from the original on 28 February 2008. Retrieved 2025-05-16.
  17. ^ Boucher, Marc (2009-11-12). "Details of Canadian Space Agency Research and Development Contracts Released". SpaceQ Media Inc. Retrieved 2025-05-16.
  18. ^ Manitoba, University of (2016-06-25). "NSERC funds two projects focused on laser technology and water contamination". Retrieved 2025-06-06.
  19. ^ "Passat Ltd. on Toronto Directory". Toronto Directory. Retrieved 2025-05-14.
  20. ^ "Contact Us – Passat Diode-Pumped Solid State Lasers". Retrieved 2025-05-14.
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