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This section provides an overview for laser oscillators as well as their applications and principles. Also, please take a look at the list of 8 laser oscillator manufacturers and their company rankings. Here are the top-ranked laser oscillator companies as of December, 2024: 1.Coherent Corp., 2.Spectra-Physics, 3.Optica Publishing Group.
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A laser oscillator is a system that emits laser light.
A laser oscillator produces coherent light with excellent directional and monochromatic properties. The oscillator consists of a medium, an excitation source, and a resonance mirror, combined into a resonator.
Depending on the medium used, there are various types of lasers: gas, solid-state, liquid, semiconductor, and fiber lasers. Their light emission methods include CW (continuous wave) oscillation, pulsed oscillation, and Q-SW (Q-switched) pulsed oscillation.
Laser oscillators are integral to devices utilizing lasers. Their applications span from military to consumer products, including home appliances.
Lasers are selected based on output, wavelength, and other characteristics for the intended purpose. Common applications include:
In scientific fields, lasers assist in lightwave rangefinding, non-destructive testing, LIDAR, and laser fusion among other applications.
When an excitation source irradiates a medium, atoms or molecules in the laser medium transition from a low to a high energy state - the excited state. This state is unstable and quickly reverts to the low energy state, a process called a transition.
During this transition, light corresponding to the energy difference is emitted, known as spontaneous radiation. Induced emission occurs when an excited atom or molecule is irradiated with specific wavelength light, emitting light proportional to the light's intensity.
The emitted light, reflected by the resonance mirror and returned to the laser medium, induces more light, enhancing it further. This repeated back-and-forth process eventually emits laser light from the semi-transmissive mirror at a certain intensity.
The laser oscillator comprises an excitation source (like a lamp or laser semiconductor) and a resonator, which intensifies the light. The resonator includes a laser medium (a solid, gas, or crystal) and resonance mirrors.
The internal structure is arranged so the excitation source irradiates the laser medium, with resonance mirrors positioned on both sides of the medium. One mirror is partially transmissive, and the other is fully reflective.
CW (continuous wave) oscillation emits a continuous wave laser. Its output is constant over time, ideal for applications like airtight welding, where continuous melting prevents gaps.
Pulse oscillation varies the laser output over time. In welding, it creates intermittent beads, reducing thermal deformation by limiting overall heat input.
Q-SW pulse oscillation generates high power by waiting for sufficient inversion distribution in the laser medium before oscillating. It's used in micro-processing and precision part drilling in electronics and semiconductors.
*Including some distributors, etc.
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Coherent, founded in 1971, and located in Saxonburg, Pennsylvania, is a manufacturer, supplier and distributor of laser and photonics-based solutions. Their product range includes lasers, optics, and laser-based systems for industries such as industrial, communications, electronics, and instrumentation markets. Coherent's lasers are used in precision cutting, welding, medical procedures, and scientific experiments. With ISO 9001 certification, the company ensures quality standards in their products, and solutions across various industrial applications.
Disco Corporation is a producer of precision cutting and grinding machines founded in Japan last 1937. Aside from manufacturing services, they also offer maintenance, training, refurbishment, and lease of precision cutting and grinding materials. This company is entirely based in Japan with Tokyo as the location for its Head Office. Its three branch offices are located in Osaka, Kyushu, and Sendai. They also have three plants, two of which are in Hiroshima namely, Kure and Kuwabata, while their Chino Plant is in Nagano.
HOYA CANDEO OPTRONICS CORPORATION, established in 1988 with headquarters in Shinjuku, Japan, is a manufacturer of light sources, laser oscillator systems and equipment, and electro-optical glass for customers worldwide. The company offers three categories of products that cover laser systems, UV products, and electro-optical glass equipment. HOYA CANDEO OPTRONICS CORPORATION offers standard laser systems used in microprocessing applications, including LCD and semiconductor repair requiring superior precision down to the submicron level. The company also offers customized laser systems to meet customer requirements.
Spectra-Physics is a manufacturer of Photonics solutions which includes Micromachining Ultrafast Lasers, Bio-Imaging Ultrafast Lasers, CW Tunable Lasers, and Q-Switched DPSS Lasers. The different products manufactured by the company are used in PC Boards, Flat Panel Displays, Solar/Photovoltaics, and Ophthalmic Surgery. Spectra-Physics solutions are broadly used in categories such as Life and Health Sciences, semiconductor, and scientific research. The company is a brand within MKS Instruments, Inc., which is a provider of instruments, systems, and process control solutions.
Frontiers Media, SA, founded in the year 2007, based in Lausanne, Switzerland is a publishing media house company. Their portfolio includes scientific articles and journals which are in the form of peer review to make science open, rigorous, transparent, and efficient, and harness the power of technology for researchers. The publishing company has a diverse range of scientific articles in many academic disciplines with innovations, the latest advancements, and artificial intelligence updates.
ROHM Semiconductor was incorporated in 1940 and is headquartered in Kyoto, Japan. ROHM manufactures and sells electronic components worldwide. ROHM operates through the segments ICs, discrete semiconductor devices, and modules. ROHM provides ICs comprising memory, amplifiers and linear, power management, clocks and timers, switches and multiplexers, logic, data converters, sensors and MEMS, display drivers, motor/actuator drivers, interfaces, communication and speech synthesis LSI, audio and video, and microcontrollers. ROHM also offers discrete semiconductor products include MOSFETs, bipolar transistors, and diodes; power devices, including power transistors and diodes, SiC power devices, IGBT, and IPM; passive devices, such as resistors, and conductive polymer and tantalum capacitors; and various modules among others.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Coherent Corp. |
19.6%
|
| 2 | Spectra-Physics |
17.4%
|
| 3 | Optica Publishing Group |
15.2%
|
| 4 | HOYA CANDEO OPTRONICS CORPORATION |
13.0%
|
| 5 | DISCO Corporation |
13.0%
|
| 6 | Frontiers Media S.A. |
10.9%
|
| 7 | ROHM Co., Ltd. |
10.9%
|
Derivation Method
The ranking is calculated based on the click share within the laser oscillator page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
Japan
|
3 | 60.0% |
|
United States of America
|
1 | 20.0% |
|
Switzerland
|
1 | 20.0% |
226 products found - Page 4
226 products - Page 4
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