Autofluorescence spectra from the serum of health man and cancer patients have been measured and analyzed. Two obviously spectra characteristics of the serum have been discussed in detail. A novel laser cancer diagnos...Autofluorescence spectra from the serum of health man and cancer patients have been measured and analyzed. Two obviously spectra characteristics of the serum have been discussed in detail. A novel laser cancer diagnosis system (LCD-1) has been established and the diagnosis results are compared with clinical methods.展开更多
A novel fiber optic liquid level sensor based on laser radar (ladar) is reported here. Using the perfect technique of ladar in which the phase of amplitude modulated light wave reflected from the liquid surface is com...A novel fiber optic liquid level sensor based on laser radar (ladar) is reported here. Using the perfect technique of ladar in which the phase of amplitude modulated light wave reflected from the liquid surface is compared with that of original modulation signal, the distance can be measured precisely. A special symmetric compensating coaxial optical system is proposed to eliminate many adverse effects. It realized the one-time electronic-free optical measurement on a simulated oil tank and achieves an accuracy of 0.3%, within a temperature range of -10 ℃～+40 ℃ over a measuring of 0～10 m.展开更多
文摘Autofluorescence spectra from the serum of health man and cancer patients have been measured and analyzed. Two obviously spectra characteristics of the serum have been discussed in detail. A novel laser cancer diagnosis system (LCD-1) has been established and the diagnosis results are compared with clinical methods.
文摘A novel fiber optic liquid level sensor based on laser radar (ladar) is reported here. Using the perfect technique of ladar in which the phase of amplitude modulated light wave reflected from the liquid surface is compared with that of original modulation signal, the distance can be measured precisely. A special symmetric compensating coaxial optical system is proposed to eliminate many adverse effects. It realized the one-time electronic-free optical measurement on a simulated oil tank and achieves an accuracy of 0.3%, within a temperature range of -10 ℃～+40 ℃ over a measuring of 0～10 m.
