Lumonics
A Canadian laser-technology company that helped establish Ottawa's Kanata North as a centre for venture-backed high-technology manufacturing.
Last updated August 26, 2026
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Overview
Lumonics was a Canadian laser manufacturing company founded in Ottawa in 1970. Its operations were based in the Kanata North area, a region that later became widely associated with Ottawa's technology sector and the nickname “Silicon Valley North.” The company was an early example of venture-backed high-technology entrepreneurship in the area and helped demonstrate that advanced industrial products could be developed and commercialized locally. The business originated when Al Buchanan, then an engineering executive at Leigh Instruments, and Gord Mauchel, president of Spectra Research, began exploring the possibility of forming a laser company with Allan Crawford as a third partner. The proposed company initially used the name Lumonix Limited, but adopted the spelling Lumonics to avoid confusion with another business. Its early opportunity came from technology developed at Canada's Defence Research Establishment in Val-Cartier, Quebec: the transversely excited atmospheric, or TEA, gas laser. Lumonics secured rights to manufacture and sell the technology and began operations in Ottawa in 1971. The company combined research-oriented laser development with practical industrial applications. It introduced an industrial laser-marking system in the mid-1970s that could place identifying information on manufactured goods without the smearing associated with ink-based processes. This product became an important source of revenue and helped move Lumonics beyond laboratory and defence-related applications. The company also developed excimer lasers, which produced short ultraviolet pulses and opened potential uses in research, semiconductor processing, and other specialized fields. Its work included high-energy laser systems and components relevant to major scientific projects, including laser-fusion research. Lumonics expanded through new facilities, international subsidiaries, and acquisitions. It established a presence in Phoenix to support industrial laser sales, service, and customer engineering, and acquired the British company JK Lasers in 1982. JK's solid-state laser technology complemented Lumonics' gas-laser portfolio and strengthened the company's position in Europe and in industrial automation markets. Other businesses and product activities added capabilities in laser marking, engraving, materials processing, and semiconductor applications. An attempted expansion into ophthalmic surgical lasers was later abandoned after regulatory and development costs produced a substantial charge. After becoming a public company in 1980, Lumonics was acquired by Sumitomo Heavy Industries in 1989. The transaction generated political discussion in Canada about foreign ownership of domestic technology companies, although the acquisition proceeded. Sumitomo later returned a minority stake to public investors, and Lumonics re-entered the public markets in 1995. In 1998, it agreed to combine with General Scanning of Massachusetts. The transaction was completed in 1999, creating GSI Lumonics, a larger supplier of laser-based manufacturing equipment with complementary technologies and a substantially larger United States presence. The merger marked the effective end of Lumonics as an independent Canadian company. Although Ottawa remained historically important to the organization, the centre of operational control shifted toward the United States. The Canadian workforce was reduced following the technology downturn and recession of the early 2000s, and the original Kanata headquarters was closed in 2002. GSI Lumonics changed its name to GSI Group in 2005 and ultimately became Novanta in 2016. Several original Lumonics product lines, including Impact, LaserMark, and excimer-laser activities, were later sold to LightMachinery, an Ottawa-area company with links to former Lumonics employees. The Lumonics name is therefore preserved mainly through its technological legacy and its role in the development of Ottawa's industrial technology ecosystem.
History
Lumonics was formed in Ottawa in 1970 by Al Buchanan, Gord Mauchel, and Allan Crawford. Buchanan brought experience from Leigh Instruments and Computing Devices, while Mauchel led Spectra Research. The founders initially operated under the name Lumonix Limited, then changed the spelling to Lumonics before incorporation to avoid confusion with an existing company. The venture's first major commercial opportunity was a licence to manufacture and sell transversely excited atmospheric gas lasers developed at the Canadian government's Defence Research Establishment in Val-Cartier, Quebec. Operations began in 1971. John Nilson, an Imperial College London-trained scientist, joined as the company's first chief scientist and led early work on high-energy TEA lasers. Lumonics exhibited a commercial TEA laser during its first year of operation and subsequently contributed laser amplifiers and related systems to demanding scientific and defence-oriented applications. Venture financing in 1973 provided capital for expansion, and in 1974 the company moved to a purpose-built facility on Schneider Road in Kanata. Further additions to the site followed late in the decade. Lumonics' transition from a research-driven venture to an industrial technology company was led by the launch of LaserMark in 1976. The system used a high-energy laser pulse and a mask to mark products on production lines, offering a durable and clean alternative to ink marking. The product became a central part of the company's commercial business. In 1977, Lumonics introduced an excimer laser, extending its portfolio into short-pulse ultraviolet sources with possible uses in scientific research, semiconductor processing, and precision manufacturing. The company achieved rapid growth during the 1970s and went public in 1980. It established a Phoenix subsidiary to support North American industrial sales, service, and customer engineering. In 1982, Lumonics acquired JK Lasers of Rugby, England. JK specialized in solid-state lasers, which complemented rather than directly duplicated Lumonics' gas-laser products. The acquisition expanded the company's international reach and strengthened its position in industrial automation. Lumonics subsequently integrated additional operations for laser identification, marking, engraving, and materials processing, including activities in California and Michigan. The 1980s also exposed the risks of entering regulated applications. Lumonics pursued ophthalmic surgical lasers through an agreement with an American distributor, but the cost and difficulty of obtaining United States regulatory approval made the project commercially unattractive. The company abandoned the effort and recorded a significant write-down in 1985. That year also brought leadership changes: Buchanan resigned, Mauchel later announced his retirement, and Robert Atkinson assumed broader executive responsibilities before Hugh MacDiarmid became president. Weak economic conditions and disappointing performance from the Photon Sources acquisition contributed to Lumonics' first reported loss since its early years. Sumitomo Heavy Industries developed a relationship with Lumonics in the late 1980s, initially involving access to the Japanese market and distribution rights. In 1989, Sumitomo acquired the company in a private transaction. The purchase became part of a broader Canadian political debate about foreign control of domestic corporations and advanced technology, although federal approval was obtained. Sumitomo later returned part of its holding to public investors, allowing Lumonics to re-enter the public market in 1995. The company used its financial resources to pursue further expansion and was increasingly viewed as a potential consolidator in the laser-equipment sector. Lumonics announced a combination with General Scanning of Watertown, Massachusetts, in 1998. The transaction closed in 1999 and created GSI Lumonics, a global manufacturer of laser-based manufacturing equipment. The companies had overlapping customer markets but relatively complementary technologies. The new business benefited from the late-1990s technology boom, yet the merger also changed the geographic balance of the organization. Only a minority of the worldwide workforce was located in the Ottawa region, while executive and operational authority increasingly resided in the United States. The technology downturn and recession after 2000 reduced employment in Ottawa. In 2002, the original Kanata headquarters was closed and the company's practical control moved to the United States. The name was changed to GSI Group in 2005 and to Novanta in 2016. Legacy Lumonics products did not disappear entirely: GSI Group sold the Impact, LaserMark, and excimer-laser lines to LightMachinery in 2008 or 2009. LightMachinery also employed people who had previously worked at Lumonics, extending the company's technical heritage within the Ottawa photonics community.
- 2016
Successor adopts the Novanta name
[1]GSI Group ultimately becomes Novanta.
- 2005
GSI Lumonics becomes GSI Group
[1]The successor corporation retires the GSI Lumonics name.
- 2002
Kanata headquarters closes
[1]The original Canadian headquarters is closed and control shifts to United States operations.
- 1999
GSI Lumonics is created
[1]Lumonics completes its combination with General Scanning.
- 1995
Return to public ownership
[1]A public offering returns Lumonics to the Toronto Stock Exchange.
- 1989
Sumitomo acquisition
[1]Sumitomo Heavy Industries completes a private takeover of Lumonics.
- 1985
Ophthalmic-laser initiative is abandoned
[1]Lumonics ends its attempt to commercialize ophthalmic surgical laser systems after regulatory and development difficulties.
- 1982
JK Lasers is acquired
[1]The acquisition adds British solid-state laser technology and European industrial-market capabilities.
- 1980
Initial public offering
[1]Lumonics becomes publicly traded and is listed on the Toronto Stock Exchange.
- 1977
Excimer laser development
[1]Lumonics introduces an excimer laser producing short ultraviolet pulses.
Products and positioning
A vertically oriented industrial laser and photonics company focused on commercializing high-energy laser technology for manufacturing, marking, materials processing, semiconductor production, research, and selected medical applications.
Industrial laser marking · 1976
LaserMark
LaserMark was Lumonics' signature industrial marking platform. It used a high-energy laser pulse, a mask, and optical focusing to place identification or other information on manufactured items. The approach avoided wet ink and reduced the risk of smearing on fast production lines. The system helped establish Lumonics as a supplier to industrial automation and high-volume manufacturing customers.
High-energy gas lasers · 1971
TEA CO2 lasers
Lumonics commercialized transversely excited atmospheric gas-laser technology developed in a Canadian government research environment. These systems produced high-energy pulses and supported industrial, scientific, and defence-related applications. Early TEA laser work formed the technical foundation of the company and connected its commercial activities with high-power laser research.
Ultraviolet pulsed lasers · 1977
Excimer lasers
Introduced during the 1970s, Lumonics excimer lasers generated short, intense ultraviolet pulses. Their output extended the company's technology beyond infrared gas lasers and offered potential uses in research, semiconductor processing, precision manufacturing, and other applications requiring ultraviolet energy. The legacy line was later transferred to LightMachinery.
Solid-state industrial lasers · 1982
JK solid-state laser products
The JK Lasers acquisition added solid-state laser products to Lumonics' primarily gas-laser portfolio. The technologies were considered complementary and supported industrial automation, European manufacturing customers, and possible medical applications. The acquisition also gave Lumonics a stronger operating base in the United Kingdom.
Industrial identification systems · 1979
Laser identification and engraving systems
Through its Laser Identification Systems and later Lumonics Marking Corp operations, the company supplied computer-controlled laser systems for marking and engraving. These systems served applications such as semiconductor wafer identification and industrial traceability, complementing the broader LaserMark business.
Brand decisions
2008
Divest legacy Lumonics product linesM&ABackground
After the Lumonics organization had been absorbed into GSI Group, several original product families remained identifiable with the Canadian company.
Action taken
GSI Group sold the Impact, LaserMark, and excimer-laser lines to LightMachinery.
Aftermath
The transaction preserved parts of Lumonics' product and engineering heritage in the Ottawa region.
1998
Combine with General ScanningM&ABackground
Lumonics and General Scanning operated in related laser-based manufacturing markets with complementary technologies and limited direct competitive overlap.
Action taken
The companies announced and completed a business combination that created GSI Lumonics.
Aftermath
The combined company became a larger global supplier, but executive control and much of the operational centre shifted toward the United States. The Lumonics corporate identity was later replaced by GSI Group and then Novanta.
1989
Accept Sumitomo Heavy Industries' takeoverM&ABackground
Lumonics sought international market access and entered a relationship with Sumitomo that included Japanese distribution arrangements.
Action taken
Lumonics agreed to a private acquisition by Sumitomo Heavy Industries.
Aftermath
The transaction prompted debate about foreign ownership of Canadian technology companies, while Sumitomo ownership provided a period of private operation before a later return to public markets.
1985
Exit from ophthalmic surgical lasersStrategyBackground
Lumonics had agreed to develop solid-state laser systems for ophthalmic surgery, but regulatory approval requirements and related legal and development costs made the initiative difficult to complete.
Action taken
The company abandoned the ophthalmic-laser effort and recognized a substantial write-down.
Aftermath
The episode ended Lumonics' near-term medical-laser expansion and became an example of the regulatory risk involved in entering clinical markets.
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