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1 - 10 of 72 Search Results for hpddl
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1pdf document  Highlight laser BLECH0608 Best match in this PDF  |  All matches in this PDF
…Direct-Diode Lasers Enable New Applications DioDe Lasers Capture the Market by sri Venkat and keith parker Advances in high power direct-diode laser (HPDDL) technology have broadened the application range for lasers of this design. This article briefly reviews HPPDL technology and explores its use in several…
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2Coherent Inc. Direct diode lasers have high edge definition without special lenses or integrators.
…also under certain conditions the fatigue strength is also increased due to the compressive stresses induced on the surface of the component 5. The HPDDL is an ideal source for laser transformation hardening. The line of light, when moved across the work piece along the short axis has high edge definition…

3Coherent Inc. Laser Heat Treating using High Power Diode Lasers
…Application Notes Summary: The High Power Direct Diode Laser (HPDDL) is an ideal source for transformation hardening. Based on production yields, capital expenditures, installation costs, operating costs, and environmental impact, HPDDL is the most cost-effective heat-treating process available. Laser…
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4doc document  [DiodeLaserCladdingProducesHighQualityCoatings.doc]
Diode Laser Cladding Produces High Quality Coatings A high power direct diode laser [HPDDL]  and its unique beam make for a highly efficient tool to use in cladding operations. Laser cladding is performed by melting a pre-placed powder onto a substrate to ensure a bond with minimal dilution, nominal…
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5Microsoft Word - Coherent Article - HPDDL Heat Treating Whitepaper formatted  (PAGE 3 OF 4)
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Wavelength (µm)
Absorption of Steel and Aluminum
Carbon Steel
Aluminum
HPDDL (.81 µm) CO2
(10.6 µm)
Absorption(%)integrated, multi-stack assembly that
can deliver as much as 4 kW of
power.
Diode Laser…
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6Microsoft Word - Coherent Article - HPDDL Heat Treating Whitepaper formatted  (PAGE 3 OF 4)
….6
0
20
40
60
80
100
Wavelength (µm)
Absorption of Steel and Aluminum
Carbon Steel
Aluminum
HPDDL (.81 µm) CO2
(10.6 µm)
Absorption(%)integrated, multi-stack assembly that
can deliver as much as 4 kW of
power.
Diode Laser…

7Microsoft Word - HPDDL Background Whitepaper - new revised Rev3 SV  (PAGE 1 OF 3)
Single Laser Diode Laser Diode Bar
Output Beam
Heatsink
An Introduction to Diode Lasers for Materials Processing
Semiconductor diode laser technology offers a number of practical and cost advantages over both other
lasers and traditional techniques for processes such as…

8Microsoft Word - HPDDL Background Whitepaper - new revised Rev3 SV  (PAGE 2 OF 3)
Diode Laser Output
The region of a diode laser which actually emits light is very small,
on the order of just a few microns in size. Diffraction from this small
region causes the light to spread rapidly after it exits the device.
Thus, the output of a diode laser is highly…

9Microsoft Word - HPDDL Background Whitepaper - new revised Rev3 SV  (PAGE 3 OF 3)
maximize the lifetime and reliability of the MCCP, but it is
completely self contained, meaning that the user does not have to
supply this. Integration of the chiller into the laser head also yields a
simpler, more robust and more compact system. Plus the elimination
of water…

10Microsoft Word - HPDDL Cladding Whitepaper - new revised  (PAGE 1 OF 6)
Cladding with High Power Diode Lasers
High power diode lasers offer significant quality and cost advantages for many cladding applications
over both traditional techniques and other laser-based methods.
Cladding is a well established process used in a variety of industries
for…


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