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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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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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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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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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OVERVIEW
ML1112 is a single-emitter multi-mode laser diode chip with a typical output power of 8 W. This laser diode is designed for short pulse applications at 905 nm. The laser chip is available as bare die chip.
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OVERVIEW
ML1545 is a single transverse mode Fabry-Perot laser chip in a TO-56
can. The laser delivers 50 mW output power at the wavelength of 830 nm. The product is designed for CW operation with a low fast axis divergence. This chip is also available as a bare die (refer to the product ML1528).
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Our range of continuous wave (CW) laser diodes, the L8933, L8446, L8763, L8828, L9777 series, feature high optical power of 0.5 to 5.0 W. These single element CW laser diodes have a small emitting area (50 µm to 200 µm x 1 µm) making it easy to focus on to a small spot with optics. They can be used for a variety of applications such as pumping of solid lasers, printers and medical instruments.
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A Unique Combination of Power and Reliability
JDSU is leading the commercial laser industry's transition to "telecom-grade" diode laser products. Our diverse portfolio of near infrared diode lasers offers predictable reliability with at least 100,000 hours mean-time-before-failure (MTBF) while delivering high brightness at competitive price points.
As one of the world's largest vendors of high power diode lasers, JDSU is at the forefront of introducing high performance technology into a wide variety of applications including optical pumping of fiber and solid-state lasers, material processing, thermal exposure, illumination, ophthalmology, medical, image recording, printing, spectral analysis, and optical data storage.
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Laser beam are extremely dangerous to human eyes.Never look at laser beam directly and/or through optical lens. When handling the LDs, wear appropriate safety glasses to prevent laser light, even any reflections from entering to the eye.
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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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Focusable Diode Laser Modules
These 635nm/670nm/830nm diode laser modules have adjustable focus with elliptical, circular or line generator beams.
Focusable diode laser modules combine the technology of high-quality diode lasers with superior optics, sophisticated electronics and rugged alignment packaging. These modules can also be used in many applications to reduce the requirements for external optics. The result is an overall system that is smaller, simpler and less costly.
The adjustable focus is a great benefit for many applications. For machine vision, particle measurements and inspection-and their inherent need for direct measurements-the beam can be focused at a distance for the smallest spot size to optimize the system resolution. For fiber launch the adjustable beam can also optimize the focus spot position to achieve the ideal coupling efficiency. For instrumentation applications with multiple laser sources, the adjustable focus can match the red laser beam properties to another laser to simplify integration requirements.
The front knob allows for easy adjustment. During adjustment the optics do not rotate and focusing action is even and uniform while beam alignment is maintained.1 A locking ring is used to secure the focus in any position. Use the VLM2 mount [part no. 0221-437- 00] for convenient heat sinking and mounting with adjustable alignment. For lasers without a connector, order plug no. 1057734.
Key Features
- Focusable VLM2 style package
- High visibility 635 nm, 670 nm and 830 nm
- Adjustable divergence and focus
- Circular, elliptical, line or cross-hair beams
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The AF4B Series are 1.48 µm high power pumping laser diode modules designed for Er-doped optical amplifiers. Each laser is packaged in a 14-pin butterfly package with optical isolator, monitor photodiode, and thermo-electric cooler.
Applications include submarine and terrestial WDM networks and FTTx/CATV systems.
High optical output power (120-400 mW)
Low power consumption
Built-in optical isolator
Internal monitor PD, thermo-electric cooler, and thermistor
SMF or PMF fiber out pigtail type
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JDSU offers a broad line of pump lasers for optical amplification. The 980 nm products that are used in Erbium Doped Fiber Amplifiers offer operating power levels from 90 mW to 450 mW. Lower power 2600 Series and 2700 Series products can be used in tight tracking applications to eliminate the need for an external monitoring circuit.
The 14xx products that are used in Raman amplification offer operating power up to 300 mW in wavelengths covering the S, C and L bands. The 4800 Series uncooled multi-mode pump laser provides a 4 Watt Telcordia-class solution for double-clad fiber amplifiers serving the FTTx and CATV industries.
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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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Single Laser Diode
635nm High-power Laser Diode
Features
* 100mW, 150mW, 300mW, 500mW Output Power
* Variety of Emitting Area
* High-efficiency
* TO Package or C-Mount
Applications
* Medical Usage
* Pointer
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Laser diode arrays and units – specially developed for shearography by isi-sys – are one of the system key products. The isi-LD688 series for pulse (see trigger-system) and –cw illumination is driven in mono-mode with 50mW.
Wavelength selected array of 1-4, 6, 8 laser diode can be series connected to one driver unit. Visibility of the wavelength (688nm) is advantageous in adjustment and laser safety requirements (classification 2M or 3B).
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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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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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Short description:
Modulight's product ML1277 is a 30% fill factor unmounted laser bar, designed for 40 W CW operation, with high power conversion efficiency.
The 8xx nm range laser bars are available with different wavelength criteria and tolerance, per customer request, between wavelengths 785...810 nm. Please state the desired wavelength when ordering.
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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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