Because of high brightness & high power performance, a new class of applications are being pursued with semiconductor lasers.
Traditionally,
diode lasers have been used in printing, defense, medical, and materials processing applications because of the device compactness, high power capability, and high electrical to optical efficiency. However, the applications have been limited due to the low brightness performance of typical diode lasers. High brightness, high power semiconductor laser technology is enabling new applications in these markets, allowing the end user to achieve high brightness and enjoy all the benefits of traditional diode lasers.
The most common application of semiconductor lasers is pumping the gain medium of solid state and fiber laser systems. In diode pumped laser architectures, the semiconductor laser light pumps or excites the gain medium which is configured inside its own laser cavity. The pump light is absorbed by the crystal or fiber, and a solid state or fiber laser is created.
Diode pumping has significant advantages over traditional approaches that utilize lamps as pumps. In fact, nearly every important parameter of a laser system is improved with diode pumped architectures including system size, weight, performance and cost of ownership.
The most dramatic advantage to diode pumping is the improved efficiency of the laser system. Lamps are inefficient, and most of the light that the lamps produce is not absorbed by the gain medium and is converted into heat that then has to be removed from the system. Diode lasers are highly efficient, and they emit light over a narrow portion of the spectrum which can be designed to closely match the absorption window of the gain medium.
Since laser beam quality degrades with thermal distortions in the gain medium, the high efficiency diode pumped approach reduces the heat absorbed by the gain medium and improves the final beam quality of diode pumped laser. Moreover, the high efficiency of the laser reduces system complexity, operating cost, and size by reducing the amount of waste heat in the system.
Operating cost is further reduced since
diode laser reliability is far better than lamps which need changing on a weekly or monthly basis.
3W and 6W Green Laser: Brightlock® Ultra-G™ Series
QPC Lasers introduces the BrightLock® Ultra-G™ series, winner of the 2009 Prism Award for most innovative laser product. The Ultra-G™ is specifically designed for medical, military and laser display applications that require high power green light in a compact, passively cooled package.
Features
- 532 nm
- Up to 6W CW
- Passively cooled
- Free-space or fiber delivery
- Narrow core fiber delivery
- Very compact package
Wavelength Stabilized Fiber Coupled Laser Modules: BrightLock® Ultra-50™
QPC Lasers offers BrightLock™ Ultra-50™ laser modules which are ideal for integration into high volume OEM applications such as fiber and solid-state laser pumping. Manufactured with the QPC's proprietary internal gratings semiconductor technology, these fiber coupled laser modules lead the industry in brightness, power, and reliability from 795, 808, 880, 976, 1532 and 1908 nm.
Features
- Accurate center wavelength: 795, 808, 880, 976, 1532, 1908 nm
- Narrow line width
- Stabilized spectrum: Reduced sensitivity to temperature
- Detachable Fiber
- Fiber delivery with or without armor
- Dichroic filter protection available
Fiber Laser Pumping: BrightLock® Ultra-100™ Series
QPC Lasers introduces the BrightLock® Ultra-100™ Series with up to 95 watts output at 976 nm and up to 35 watts at 1532 nm. These modules feature industry leading brightness and are designed for direct application and pumping fiber and solid-state lasers.
Features
- Up to 95 W at 976 nm
- Up to 35 W at 1532 nm
- 200 and 400 µm fiber delivery
- Custom wavelengths available
- Conductively cooled package
- Detachable Fiber
- Fiber delivery with or without armor
- Internal gratings for higher spectral brightness and wavelength stabilization
- Dichroic filter protection available
Wavelength Stabilized Fiber-Coupled Laser Modules: BrightLock® Ultra-500™
Laser Operations LLC introduces QPC Lasers Ultra-500 with up to 425 Watts "cladding-free" output power. These modules feature industry leading brightness, on-chip BrightLock® wavelength stabilization for higher spectral brightness, and are designed for direct diode industrial, medical and defense application as well as fiber and solid-state laser pumping. Standard wavelengths include 795, 976, 1532 and 1908 nm. Custom wavelengths are available upon request.
Features
- 795, 976, 1532, 1908 nm
- Custom wavelengths available
- Conduction cooled on a water cooled plate
- Distilled water not required
- Detachable fiber available
- Cladding free power
- Internal gratings for higher spectral brightness and wavelength stabilization
- Dichroic filter protection available
High Brightness Diode Array: Brightlock® Stack
QPC Lasers introduces the Brightlock® Stack. These stacks feature industry leading brightness and are designed for industrial, medical, defense, and security applications. Benefits include increased pumping efficiency for Er:YAG, reduced thermal requirements of system, and eliminates costly external optical components.
Features
- Accurate center wavelength 1532.5 ± 1.5nm
- Narrow linewidth: <2nm FWHM
- Stabilized spectrum: Reduced sensitivity to temperature
- Fast and slow axis collimation available
Newopto Technology Corporation (
http://www.newopto.com ) is a high-tech service company that is cooperating the photonics manufacturers all over the world and marketing their products in China, also providing the solutions for specific applications. We are willing to focus on light together with you, and dedicated to promoting the development of the photonics industry in China and worldwide.
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