| 摘要 |
<p>A method of calibrating a discharge lamp assembly (5, 6, 9) of an IPL device (1a, 1b) includes the steps of determining the light energy output from the lamp assembly and comparing it with the required target energy output to produce one or more correction factors relative thereto, storing the or each correction factor, and when operating the IPL device, utilising the or each correction factor to adjust the electrical energy supplied to the lamp (5) to thereby effect lamp discharge within the required light output energy range. IPL apparatus is also provided which includes means for determining the light energy output from the discharge lamp assembly, either directly or indirectly, such as by measurement or calculation, to produce a correction factor, means for storing the correction factor and means when operating the IPL device for utilising the correction factor to adjust the electrical energy supplied to the discharge lamp to keep the discharge within the require light output energy range.
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