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| Distributed Feedback (DFB) Diode Lasers are fixed wavelength single mode diode lasers. Typical geometrical sizes of the laser chip are 1000µm x 500µm x 200µm (length x width x height). The laser chip is grown by MOVPE of compound semiconductor material. The optical gain is provided by double heterostructure which include several Quantum Wells for electronic confinement. Typcal emitter width range between 3µm and 7µm. The single mode emission is enforced by a Bragg grating with the laser chip. The surfaces of the laser chip act as cavity mirrors due to the difference of the refractive index of the laser material and the surrounding air. The rear facet of the laser chip is provided with a high reflection coating. The front facet of the laser chip is provided with a high quality antireflection coating for avoiding the Fabry Perot modes of the laser chip. Distributed Feedback (DFB) Diode Lasers are available at almost any wavelength between 760nm and 2800nm. |
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635nm Red Laser Diodes Improve Energy Efficiency In Industrial And Medical Applications
Photonic Products, the UK optoelectronics device manufacturer and laser diode specialist, announces the introduction of two new 635nm, 5mW laser diodes from Opnext, Inc. The operating current on these diodes has been decreased by 50 percent, resulting in extended battery lifetime and lower power consumption without compromising their 5mW optical output power. Their aspect ratio is also improved from 3.8 to 3.1.
They are suitable for use as light sources in laser levellers and measurement equipment, and ideal for medical and display applications.
Supplied in a 5.6mm package with 1N (HL6354MG) or 3P (HL6355MG) type common cathode pin configuration, the single longitudinal mode laser diodes have a typical operating current of 27mA, a low threshold current of 18mA, operating voltage of 2.2V, monitoring output current of 0.4mA, laser reverse voltage of 2V, PD reverse voltage of 30V and TM mode oscillation at a
visible wavelength of 635nm. The operating temperature range is 0 degrees Centigrade to +50 degrees Centigrade. |
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The 300-0600-00 series of Thermo-Electrically Cooled, (TEC), red and infrared laser diode modules offers exceptional wavelength and power stability, (better than 1%), good pointing accuracy and significantly increased laser diode lifetime.
Designed for applications demanding consistency and repeatability such as machine vision, alignment, industrial inspection, high-resolution printing, biomedical instrumentation, spectroscopy, microscopy and genomics, the TEC laser modules are compact, versatile and highly cost effective.
The laser module produces a circular output beam and output powers of 0.9mW to 32mW at 635nm, 25mW at 690nm, 55mW at 785nm and 24mW to 120mW at 830nm.
We can fit almost any laser diode in a 9mm or 5.6mm package into our TEC laser modules. If you need a wavelength or power that we do not offer as standard, please contact our sales team to discuss your requirements. |
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Powerline lasers:
StockerYale’s Lasiris™ PowerLine structured light laser is a line generator developed for demanding industrial machine vision and scientific applications. Bridging the power gap between the popular SNF and Magnum series lasers, this thermoelectrically cooled device is able to emit uniform laser lines at high powers, up to 1 W at 810 nm and 500 mW at 670 nm.
With exceptional beam pointing and focusing stabilities, the PowerLine laser can be operated in extreme environments ranging from -20°C to +55°C. The laser beam can be modulated by an external signal through a DB-9 connector on the back panel and all models can operate in either CW or external modulation mode. The laser is protected against over-voltage, reverse polarity of the power supply, over-temperature, and ESD. |
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High Visibility 638nm Laser Diode offers 40mW with better Beam Circularity
Photonic Products, the UK optoelectronics device manufacturer and laser diode specialist, is delighted to announce the launch of a new high visibility, short wavelength laser diode from Sanyo, rated to 50 degrees Centigrade, which offers a very high optical output power of 40mW CW with a low threshold current of 60mA in a 9mm package.
The DL-LS1158 638nm laser diode is part of a new range of laser diodes being developed by Sanyo with a new diode type structure which results in a greatly improved beam circularity ratio of 2:1, compared to the previous beam circularity ratio of 4:1.
The improved beam circularity results in greater efficiency and consequently significant cost savings for OEMs and, combined with the high optical output power and high visibility, makes it an ideal laser diode for use as a light source in laser displays, laser levellers and line-markers, bar-code scanners, machine vision and medical and dental imaging applications. |
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Lasertel's single emitter diodes are used worldwide in industrial, defense, medical research, digital imaging and other applications where quality, reliability, and flexibility are imperative.
Lasertel delivers...
A wide range of optical output powers
Multiple peak wavelength options
Multiple mount configurations
TE or TM polarization
ISO 9001:2000 and RoHS compliance |
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| Coherent's Laser Diode Modules combine the technology of the diode laser with quality optics, sophisticated electronics and rugged modular packaging to provide a reliable laser source suitable to a variety of application needs. |
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Features:
- Uncooled operation at 1310 nm
- MSA compliant XMD (10 Gbit/s Miniature Device)
- Field-proven high reliability
Applications:
- OC-48 and STM-16 (2.5 Gbit/s), OC-192 and STM-64 (10Gbit/s) trans-mission systems
- Long haul and Metropolitan DWDM systems
- Small form Transponders and Transceivers |
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| Cascades™ packages feature a standard footprint, making them easy to integrate into virtually any laser-based application. For higher power needs, Cascades packages are the industry choice. High-power geometries are achieved through vertical and/or horizontal stacking. Reliable and easy-to-integrate, the micro-channel, water-cooled arrays are ideal for applications ranging from solid-state laser pumping and materials processing to medical therapeutics and graphic arts. Available in a wide range of wavelengths between 665 nm to 690 nm, 790 nm to 830 nm, 910 nm to 980 nm, and 1400 nm to 1600 nm. |
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| These Laser Diode Arrays are offered on a variety of heat sink package types that are conductively cooled. The arrays should be mounted to a heat sink with a recommended base plate temperature of 25° C. In addition to the types of packages listed here, CEO can customzie a package to meet your specific needs. |
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| nLIGHT's industry recognized conduction-cooled "CS" diode laser package provides end users with state-of-the-art power, brightness and reliability. These 1-cm arrays, based on our proprietary MOCVD structure, consist of multiple transverse mode emitters, which offer low beam divergence and narrow spectral bandwidth. CS bars are available in a wide range of wavelengths at 665 nm and 680 nm, and between 790 nm to 980 nm, and 1400 nm to 1600 nm. |
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1550 nm CW Light Source DFB-LD Module NX8563LF
Product Outline
The NX8563LF is a 1550 nm Multiple Quantum Well (MQW) structured Distributed Feed-Back (DFB) laser diode module with Polarization Maintain Fiber (PMF).
It is designed as Continuous Wave (CW) light source and ideal for optical transmission systems with external modulators. The device is available for Dense Wavelength Division Multiplexing (DWDM) wave-lengths based on ITU-T recommendations, enabling a wide range of applications.
Features
Output power Pf = 10 mW MIN. Available for DWDM wavelengths based on ITU-T recommendations (100 GHz grid) Internal thermo-electric cooler and isolator Hermetically sealed 14-pin butterfly package Polarization maintain fiber pigtail 20 mW product (NX8562LF(146KB)) also available |
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NX5330SA
1 310 nm InGaAsP MQW-FP LASER DIODE FOR OTDR APPLICATIONS
2008
DESCRIPTION
The NX5330SA is a 1 310 nm Multiple Quantum Well (MQW) structured
Fabry-Perot (FP) laser diode. This device is specified to operate under
pulsed condition and designed for light source of Optical Time Domain
Reflectometer (OTDR).
FEATURES
- High output power PO = 350 mW @ IFP = 1 000 mA*1
- Long wavelength %u03BBC = 1 310 nm
*1 Pulse Conditions: Pulse width (PW) = 10 µs, Duty = 1% |
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| Based on C-Mount or High-Heat-Load (HHL) packages, nLIGHT's single emitters are versatile, high-brightness, high-power laser sources perfect for a broad range of laser applications. Available in a wide range of wavelengths between 635 nm to 690, 790 nm to 830 nm and 808 nm. |
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| New Source Technology can provide you with a variety of Laser modules, which are offered for use as a building block "engine" in the development or production of rod laser systems, or as a drop-in replacement for arc lamp pump chambers in industrial lasers. They are well suited for applications such as laser marking, materials processing, and scientific research. |
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| Silver Bullet diode laser sub assemblies (ASMs) are offered with optional soldering kits. CEO® can also attach Silver Bullets to customer-supplied heat exchangers to make completely packaged laser diode arrays. Extreme care should be taken when handling these components. We recommend that they be only used by customers who are experienced in the handling and packaging of laser diode bars. |
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CW and QCW Laser Diode Bars
Lasertel's CW and QCW laser diode bars are adaptable to a wide range of applications that demand superior performance and efficiency.
Lasertel delivers...
Multiple power levels
Multiple peak wavelength options
High efficiency operation
TE or TM polarization
ISO 9001:2000 and RoHS compliance |
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| Lasertel's QCW array packages are engineered and manufactured to perform reliably and efficiently in the most demanding environments. No other array provider can equal our combination of output power levels and operating temperatures. |
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HTOE Laser diode array series has been designed to provide the high output power, long lifetime and high reliability required for solid laser pumping
Applications :
* Laser pumping
* Medical Usage
* High power laser diode applications ,medical usage
and other high power laser diode applications. |
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| nLIGHT's, 1-cm diode laser bare bars, are based on our proprietary MOCVD structure and are offered in a variety of fill factors. They consist of multiple transverse mode emitters that are characterized by having low beam divergence and narrow spectral bandwidth. Available in the following wavelengths: 808 nm, 915 nm, 940 nm, 980 nm, 14XX nm and 15XX nm. |
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| nLIGHT's high power stacked bar array provides state-of-the-art power levels in a compact package. These high power modules are available in both GaAs diodes (780 nm to 1000 nm) and InP diodes (1300 nm to 2000 nm). |
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| Our 1-cm wide, MOCVD grown GaAs or InP arrays consist of multiple transverse mode emitters, which provide low beam divergence and narrow spectral bandwidth. Cascades are available in a wide range of wavelengths from 790 nm to 830 nm, 910 nm to 980 nm, and 1400 nm to 1600 nm. |
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