Microstructuring of diamond bulk by IR femtosecond laser pulses

Kononenko, T. V.; Meier, Matthias; Комленок, М. С.; Pimenov, S.M.; Romano, Valerio; Pashinin, Vladimir P.; Konov, V. I.

doi:10.1007/s00339-007-4350-9

Cited by 121 publications

(101 citation statements)

References 30 publications

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“…LIPSS have been already fabricated on diamond and morphologically investigated by other groups [13][14][15][16][17]. To our knowledge, only Kononenko et al [18] reported on optical transmission behaviour as a function of laser fluence for fs-laser-induced microstructures in bulk natural and CVD diamond. However, optical properties of fs-laser LIPSS on diamond surface have not been investigated or reported in the literature.…”

Section: Introductionmentioning

confidence: 99%

Optical properties of femtosecond laser-treated diamond

et al. 2014

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A laser-induced periodic surface structure (LIPSS) has been fabricated on polycrystalline diamond by an ultrashort Ti:Sapphire pulsed laser source (k = 800 nm, P = 3 mJ, 100 fs) in a high vacuum chamber (\10 -7 mbar) in order to increase diamond absorption in the visible and infrared wavelength ranges. A horizontally polarized laser beam had been focussed perpendicularly to the diamond surface and diamond target had been moved by an automated X-Y translational stage along the two directions orthogonal to the optical axis. Scanning electron microscopy of samples reveals an LIPSS with a ripple period of about 170 nm, shorter than the laser wavelength. Raman spectra of processed sample do not point out any evident sp 2 content, and diamond peak presents a right shift, indicating a compressive stress. The investigation of optical properties of fs-laser surface textured diamond is reported. Spectral photometry in the range 200/2,000 nm wavelength shows a significant increase of visible and infrared absorption (more than 80 %) compared to untreated specimens (less than 40 %). The analysis of optical characterization data highlights a close relationship between fabricated LIPSS and absorption properties, confirming the optical effectiveness of such a treatment as a light-trapping structure for diamond: these properties, reported for the first time, open the path for new applications of CVD diamond.

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Section: Introductionmentioning

confidence: 99%

Optical properties of femtosecond laser-treated diamond

et al. 2014

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“…A good example of this is given in the paper by Sanner et al (N. Sanner et al, 2009), where the range of values quoted for the ablation threshold for fused silica is given as 2-12 J cm -2 . This range is by no means an anomaly or the widest range published, for example the value for natural diamond is given as 10-80 J cm -2 (T. V. Kononenko et al, 2008) where the value fluctuates widely across a specimen surface. The reason for the range in values can be explained by considering that there are a number of ways of measuring the thresholds and even defining them (N. Sanner et al, 2009), there are also differences in the exact composition of the materials used and their source, as well as differences in the experimental set-up.…”

Section: Wwwintechopencommentioning

confidence: 93%

“…The pulse energy required will depend on both the material and the chosen application. Machining of a crystal for instance will typically require a much greater energy per pulse, for example energies up to and above 80 Jcm -2 (T. V. Kononenko et al, 2008) for natural diamond, while for index change in PMMA energies above 0.6 Jcm -2 (A. Baum et al, 2007) cause permanent change.…”

Section: Types Of Femtosecond Lasermentioning

confidence: 99%

Advances in Femtosecond Micromachining and Inscription of Micro and Nano Photonic Devices

Smith¹,

Kalli²,

Sugden³

2010

Frontiers in Guided Wave Optics and Optoelectronics

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“…Hence, for this study the focus was on surface patterning. The fs laser pulse energy and writing speed can be determined according to previous research on fs laser microstructuring in the bulk of diamond or diamondlike carbon films [18,19]. Preuss and Stuke [20] found that the ablation threshold of diamond was around 0.6 J/cm 2 for 500 fs laser pulses at a wavelength of 248 nm.…”

Section: Introductionmentioning

confidence: 99%

Analysis of femtosecond laser surface patterning on bulk single-crystalline diamond

Lee

Shi

et al. 2012

Journal of Experimental Nanoscience

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Preliminary work is reported on 2-D and 3-D microstructures written directly with a Yb:YAG 1026 nm femtosecond (fs) laser on bulk chemical vapour deposition (CVD) single-crystalline diamond. Smooth graphitic lines and other structures were written on the surface of a CVD diamond sample with a thickness of 0.7 mm under low laser fluences. This capability opens up the opportunity for making electronic devices and micro-electromechanical structures on diamond substrates. The fabrication process was optimised through testing a range of laser energies at a 100 kHz repetition rate with sub-500 fs pulses. These graphitic lines and structures have been characterised using optical microscopy, Raman spectroscopy, X-ray photoelectron spectroscopy and atomic force microscopy. Using these analysis techniques, the formation of sp 2 and sp 3 bonds is explored and the ratio between sp 2 and sp 3 bonds after fs laser patterning is quantified. We present the early findings from this study and characterise the relationship between the graphitic line formation and the different fs laser exposure conditions.

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Microstructuring of diamond bulk by IR femtosecond laser pulses

Abstract: t.v. kononenko 1,u m. meier 2 m.s. komlenok 1 s.m. pimenov 1 v. romano 2 v.p. pashinin 1 v.i. konov 1

Cited by 121 publications

References 30 publications

Optical properties of femtosecond laser-treated diamond

Optical properties of femtosecond laser-treated diamond

Advances in Femtosecond Micromachining and Inscription of Micro and Nano Photonic Devices

Analysis of femtosecond laser surface patterning on bulk single-crystalline diamond

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