ArF Excimer laser Line Narrowing Technique

Haibo, 张海波 Zhang; Qihong, 楼祺洪 Lou; Jun, 周军 Zhou; Jingxing, 董景星 Dong; Yunrong, 魏运荣 Wei

doi:10.3788/lop20094612.0046

激光与光电子学进展

2009

DOI: 10.3788/lop20094612.0046

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ArF Excimer laser Line Narrowing Technique

张海波 Zhang Haibo¹,

楼祺洪 Lou Qihong²,

周军 Zhou Jun³

et al.

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“…For example, more ideal biochips were gotten by using pulsed laser to manufacture polymer materials [4] . Using the pulsed laser ablation method, the production of microgear, raster graphics and some diffractive optical elements with high diffraction efficiency on polycarbonate, polyimide and other polymer materials was realized [5][6] . The surface of some polymers (such as polyethlene terephthalate, poly(ether sulfone), polyimide and so on) was modified by the irradiation of pulsed laser for the hydrophilicity improvement of the surface [7][8][9] .…”

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confidence: 99%

Blue light emission from pulsed laser ablated polyethylene

Qin

Bai

Zhao

et al. 2008

Optoelectron. Lett.

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The 1064 nm pulsed laser was used to ablate polyethylene (PE) at different power. Compared with unmodified PE, the ablated polyethylene (PE) gave off obvious blue light under UV lamp irradiation. The morphology and tre structure of ablated and unmodified PE were studied by scanning electron microscope, fluorescence spectroscopy and raman spectroscopy.the results showed that double bonds existed in the ablated PE which resulted in obvious blue emission of ablated PE and the intensity of the laser had great influence on the physical properties and chemical structure of the PE surface.Researches on laser ablating polymer started in early 1980s and ablated polymers can be widely used in many ways [1][2][3] . For example, more ideal biochips were gotten by using pulsed laser to manufacture polymer materials [4] . Using the pulsed laser ablation method, the production of microgear, raster graphics and some diffractive optical elements with high diffraction efficiency on polycarbonate, polyimide and other polymer materials was realized [5][6] . The surface of some polymers (such as polyethlene terephthalate, poly(ether sulfone), polyimide and so on) was modified by the irradiation of pulsed laser for the hydrophilicity improvement of the surface [7][8][9] .So far pulsed laser ablation has been widely applied to the surface modification of polymers, but less work has been done for fluorescence performance of polymers ablated by pulsed laser. The surface of polytetrafluoroethylene ( PTFE) was modified by the irradiation of a focused pulsed laser with 248 nm wavelength and different energy densities in order to improve the adhesion of the surface and fluorescence emission of ablated PTFE was observed [10] . The modified fluorescent materials can be applied to many fields where the fluorescence is needed, such as the public sign, clothing ornament, identification mark, vacuum fluorescent display and other fields. In this paper, the 1064 nm pulsed laser was used to ablate PE, which is a kind of non-fluorescence polymer. The fluorescence performance and structure changes of ablated PE were studied which aimed to study a kind of new fluorescence material.In order to prepare ablated, PE, first, PE membrance was cleaned by acetone and distilled water respectively and dried at 80 . Second, DP-R50 diode side-pumped solid-state laser (Nd:YAG, 1064 nm) was used to ablate the surface of cleaned PE membrance with different power lasers at room temperature and in air.SEM images of unmodified PE and ablated PE by different power laser were shown in Fig.1.

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mentioning

confidence: 99%

Blue light emission from pulsed laser ablated polyethylene

Qin

Bai

Zhao

et al. 2008

Optoelectron. Lett.

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ArF Excimer laser Line Narrowing Technique

Cited by 1 publication

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Blue light emission from pulsed laser ablated polyethylene

Blue light emission from pulsed laser ablated polyethylene

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