公开(公告)号：US07671981B1

公开(公告)日：2010-03-02

申请号：US11769488

申请日：2007-06-27

申请人： Walid A. Atia ,  Dale C. Flanders ,  Robert K. Jenner ,  Lawrence P. McDermott ,  Bartley C. Johnson

发明人： Walid A. Atia ,  Dale C. Flanders ,  Robert K. Jenner ,  Lawrence P. McDermott ,  Bartley C. Johnson

IPC分类号： G01N21/00

CPC分类号： G01N21/39 ,  G01J3/10 ,  G01J3/26 ,  G01J3/4338 ,  G01J9/00 ,  G01N21/3554 ,  G01N21/3559

摘要： A tunable laser spectroscopic carpet identification system comprises a tunable laser spectroscopy system for generating a tunable signal that is transmitted to a carpet sample. The system detects the tunable signal after interaction with the carpet sample so that an analyzer is able to relate a spectral response of the carpet sample to a chemical composition of the carpet sample. In one example, the spectroscopy system comprises a laser cavity in which the tunable signal is generated, a semiconductor gain medium in the laser cavity, and a tunable element for controlling a wavelength of tunable signal generated in the laser cavity. To deal with variations in water content, the analyzer estimates a water content of the carpet sample using the spectral response of the carpet sample and then determines the chemical composition of the carpet sample in part based on the estimate of the water content.

摘要翻译： 可调激光光谱地毯识别系统包括可调谐激光光谱系统，用于产生传输到地毯样品的可调信号。 该系统在与地毯样品相互作用后检测可调信号，使得分析仪能够将地毯样品的光谱响应与地毯样品的化学成分相关联。 在一个示例中，光谱系统包括其中产生可调信号的激光腔，激光腔中的半导体增益介质和用于控制在激光腔中产生的可调信号的波长的可调元件。 为了处理含水量的变化，分析器使用地毯样品的光谱响应估计地毯样品的含水量，然后基于含水量的估计部分地确定地毯样品的化学成分。