Imra is a specialist in ultra short wavelength pulsed laser technologies championing the development of fiber chirped pulse amplification fcpa laser micromachining for high technology applications. Femtosecond laser micromachining of transparent materials has distinctive advantages over other micromachining techniques figure 2.
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The high peak intensity of femtosecond laser pulse can induce nonlinear absorption in transparent materials such as glass or clear polymers.
Laser micromachining for transparent materials. Glass to glass welding and bonding of other transparent materials. It is a maskless technology that allows rapid device prototyping has intrinsic three dimensional capabilities and can produce both photonic and. Over the past decade this technique has been used in a broad range of applications from waveguide fabrication to cell ablation. Precision in the. When femtosecond laser pulses are focused tightly into a transparent material the intensity in the focal volume can become high enough to cause nonlinear absorption of laser energy. Such changes can be used for micromachining bulk transparent materials. Applications include data storage and the writing of. First laser induced modifications are limited to the focal volume due to nonlinearity in absorption mechanism. The absorption in turn can lead to permanent structural or chemical changes. Femtosecond laser micromachining can be used either to remove materials or to change a materials properties and can be applied to both absorptive and transparent substances. The absorption occurring at the focal spot inside the transparent material allows the creation of 3d structures by material modification. Femtosecond laser micromachining can be used either to remove materials or to change a materials properties and can be applied to both absorptive and transparent substances. Request pdf on researchgate laser micromachining for transparent materials this article presents the internal and surface laser micromachining processes in transparent media. Femtosecond pulses generated via fiber laser enable fast marking on glass. Over the past decade.
Femtosecond laser micromachining can be used either to remove materials or to change a materials properties and can be applied to both absorptive and transparent substances. Femtosecond laser micromachining of transparent material is a powerful and versatile technology. In fact it can be applied to several materials.
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