The dependence of the signal intensity of analyte and matrix ions on laser fluence was investigated for infrared matrix-assisted laser desorption/ionization (IR-MALDI) mass spectrometry using a flat-top laser beam profile. The beam of an Er : YAG laser (wavelength, 2.94 µm; pulse width, 90 ns) was c
✦ LIBER ✦
Flat-top profile of an excimer-laser beam generated using beam-splitter gratings
✍ Scribed by T. Kajava; A. Hakola; H. Elfström; J. Simonen; P. Pääkkönen; J. Turunen
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 273 KB
- Volume
- 268
- Category
- Article
- ISSN
- 0030-4018
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## Abstract ## Background and Objectives Multiple treatments of resistant tattoos often result in fibrosis and visible textural changes that lessen response to subsequent treatments. The aim of this study is to evaluate the influence of beam profile and spot size on clearance rates and side effect