Technical Articles

Technical Article

Nitinol Machining for Precision Applications Using Femtosecond Lasers

Shape-memory alloys and in particular, nitinol, have revolutionized the market for implantable medical devices such as stents. In this article, we present femtosecond laser results …

Technical Article

Laser Micromachining of Bio-Absorbable Polymers: Impact of the Laser Process Parameters on the Machining Throughput and Quality

The influence of the laser process parameters on the efficiency and quality of the machining of bioabsorbable materials using High Q Spirit™ femtosecond laser system is presented.

Technical Article

Synchronization Techniques Enable Novel Ultrafast Science

Minimizing the temporal jitter in ultrafast oscillator systems is key to successful pump-probe spectroscopy. Recently, synchronization between two independent oscillators has been applied …

Technical Article

Ultrashort Pulse Laser Technology for Processing of Advanced Electronics Materials

Using Spectra-Physics state-of-the-art ultrashort pulse laser technology, provides both high pulse energy and high average power, both of which are attractive to industry, processing …

Technical Article

The Ti:Sapphire Laser - The Flexible Research Tool

The Ti:Sapphire laser has an important role in imaging, spectroscopy and many other applications.

Technical Article

Lasers May Brighten the Solar Market

Thin film panel technology count on laser systems as a critical piece of inline production systems.

Technical Article

Optimization of UV Laser Scribing Process for Light Emitting Diode Sapphire Wafers

Sapphire wafer singulation into miniature dies is one of the critical steps used in blue LED manufacturing. In recent years, laser scribing and breaking has proven to bevery efficient …

Technical Article

Deep Dive into Multiphoton Imaging

In the past decade, Multiphoton Excited Fluorescence (MPEF) has firmly established itself as a major imaging technique for biological sciences. MPEF enables fast 3D in vivo imaging …

Technical Article

Hybrid Fiber Lasers Raise the Bar for Precision Manufacturing

Enabled by advances in laser technologies, laser micromachining has become a critical mainstream process for highvolume manufacturing - addressing the key requirements for process quality, …

Technical Article

High-Speed Fabrication of Laser Doping Selective Emitter Solar Cells Using 532 nm Continuous Wave (CW) and Mode-Locked Quasi-CW Laser Sources

LDSE is a promising process for high efficiency solar cells, and the choice of laser source can have a significant effect on cell performance. In various experiment studies, the 532-nm …

Technical Article

Advantages of Using DPSS ns Laser with a Gaussain Beam Shape for Scribing Thin Film Photovoltaic Panels

Once acceptable process parameters are defined for a low M2 Gaussian DPSS nanosecond laser beam scribing process, such system is capable of accommodating large process defocus variation …

Technical Article

High-Power ns-Pulsed Q-switched Laser Technology with Flattop Beam-Shaping Technique for Efficient Industrial Laser Processing

With its attractive combination of good beam quality, short wavelength, short pulse, and 200 µJ delivered at 100 kHz repetition rate, the Pulseo™ laser system coupled with flattop beam …

Technical Article

Laser Scribing: A Key Enabling Technology for Manufacturing of Low Cost Thin Film Photovoltaic Cells

Lasers are helping to cut the cost of production, thereby brightening the future of the thin film solar industry.

Technical Article

Highest-speed Dicing of Thin Silicon Wafers with ns-pulse 355 nm Q-switched Laser Using Line-focus Fluence Optimization Technique

By optimizing the beam ellipticity for maximum cutting speed, both a high-quality and a high-throughput process can be realized with a short ns-pulse, 355 nm q-switched DPSS laser.

Technical Article

DPSS UV Laser Improves Mass Spectrometry and Laser Microdissection

Q-switched ultraviolet DPSS lasers, with their solid-state characteristics and higher performance parameters, will continue to drive improvements in traditional and emerging applic …

Technical Article

18.5% Laser-doped Solar Cell on CZ P-type Silicon

Using a high power 532 nm Spectra Physics Millenia Prime laser system, an impressive LDSE cell efficiency of 18.5% was successfully demonstrated on commercial grade p-type CZ silicon …

Technical Article

Thin Film Removal Mechanisms in ns Laser Processing of Photovoltaic Materials

There is a significant advantage for the a-Si P2 and P3 scribe processes within a specific range of pulse durations and wavelengths.

Technical Article

Two-Photon Microscopy/Multimodal Imaging: Femtosecond Laser Developments Advance Two-Photon Imaging

Growth in multiphoton microscopy has been driven by advances in laser technology—advances that have also facilitated access to multimodal imaging. For instance, a femtosecond laser …

Technical Article

Effects of Pulse Duration on the ns-laser Pulse-induced Removal of Thin Film Materials Used in Photovoltaics

The removal of thin films widely used in photovoltaics as (transparent) electrodes (e.g. SnO2, molybdenum) or solar absorber (e.g. amorphous silicon) materials is studied experimentally …

Technical Article

Three-dimensional Microstructures Fabricated by Two-photon Polymerization Using CARS Microscopy

A study where the distribution of polymer crosslinking in three-dimensional microstructures fabricated by Two-photon polymerization (TPP) is visualized by means of nonlinear micros …

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