傳統的電介質放電,針狀微電漿放電在10KHz操作下發生,導致不均勻的照射。相反的,Hamamatsu Photonics 準分子燈,高頻RF放電在2MHz運作下可產生雲狀放電在2MHz,這可使造成高均勻的照設。此功能使準分子燈提供穩定的輸出及最小的閃爍。此外,與常規圓柱形燈泡接觸照射只能在直下範圍,這會導致許多的UV光被浪費。然而,Hamamatsu Photonics的準分子燈有一個平且寬發光區域(長度:400毫米,寬度: 38毫米) ,這使得它可以在近距離下照射大的區域。
With conventional dielectric barrier discharge, a needle-shaped microplasma discharge occurs at 10 kHz operation, which results in uneven illumination. By contrast, high-frequency RF discharge produces a cloudlike glow discharge at 2 MHz operation, which results in highly uniform illumination. This feature enables the excimer lamp to provide stable output with minimal flickering. In addition, contact irradiation with conventional cylindrical bulbs can only be done directly under the middle of the lamp, which results in much of the UV light being wasted. However, Hamamatsu’s excimer lamp has a flat, broad emitter area (length: 400 mm, width: 38 mm), which makes it possible to illuminate a large area at close distance.
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