摘要:
The invention provides a method to compensate for degradation in a tunable laser and ensure its performance by tracking the degradation and adjusting the control information accordingly. This is accomplished by performing some measurements of the output of the tunable laser at an initial setup or calibration procedure. Then, by effecting a periodic repetition of these measurements and using a comparison between these two measurements the present invention provides for a compensation factor for the operating conditions, primarily in the form of a look up table of operating points of the laser. These measurements show how much the operating points of the laser have drifted over the period since the last set of measurements, which provide control informatIon to compensate for degradation in the laser.
摘要:
The invention provides a method to compensate for degradation in a tunable laser and ensure its performance by tracking the degradation and adjusting the control information accordingly. This is accomplished by performing some measurements of the output of the tunable laser at an initial setup or calibration procedure. Then, by effecting a periodic repetition of these measurements and using a comparison between these two measurements the present invention provides for a compensation factor for the operating conditions, primarily in the form of a look up table of operating points of the laser. These measurements show how much the operating points of the laser have drifted over the period since the last set of measurements, which provide control information to compensate for degradation in the laser.
摘要:
The invention provides a swept wavelength laser system comprising: a module providing a laser source with an optical output where the laser wavelength sweeps a wavelength range of the laser source with low wavelength noise at a sweep frequency rate; and a real-time high speed single measurement of an optical artefact over a single wavelength sweep wherein the laser source is optimized for low noise operation.
摘要:
The invention relates to a method and system for providing a set of continuous tuning regions from a discontinuously tuned laser, by providing a wavelength reference having at least first and second resonance peaks, sweeping the laser across a pre-determined wavelength range of the wavelength reference, and defining, within the laser sweep, one or more regions of continuous tuning operation of the laser, each of the regions corresponding to a response of the laser between adjacent resonance peaks of the wavelength reference. The advantage of the invention is that it provides a way for stitching together continuous regions of a multi-section tunable laser in an efficient and accurate manner.
摘要:
A displacement measuring interferometer system and method for measuring the distance between two known points is disclosed. An interferometer is configured to provide a reference reflection of a reference point and a measurement reflection of a measurement point. A tunable laser is used to scan in wavelength into the interferometer to detect interferometer characteristics to measure the distance between the reference point and the measurement point from the interferometer characteristics. The invention describes a displacement measuring interferometer which uses a scanning tunable laser to accurately map out a fringe such that significant improvement in accuracy can be achieved by use of a tunable laser to scan the wavelengths and determine the fringe.
摘要:
The invention relates to a method and system for providing a set of continuous tuning regions from a discontinuously tuned laser, by providing a wavelength reference having at least first and second resonance peaks, sweeping the laser across a pre-determined wavelength range of the wavelength reference, and defining, within the laser sweep, one or more regions of continuous tuning operation of the laser, each of the regions corresponding to a response of the laser between adjacent resonance peaks of the wavelength reference. The advantage of the invention is that it provides a way for stitching together continuous regions of a multi-section tunable laser in an efficient and accurate manner.
摘要:
The disclosure according to some exemplary embodiments relates generally to an infrastructure for electronic records (e.g., electronic medical records (EMRs), electronic health records (EHRs), and personal health records (PHRs)). The infrastructure allows the use, for example, of the electronic records and other information sources to determine drug and other treatment prices that may differ from listed prices based on various factors, such as approved indication treated, the organization and/or individual responsible for payment, whether and what other drug or drugs are used as part of the treatment regimen, a diagnosis and treatment plan, and responses to treatment, among other factors. Advantageously, in some embodiments, systems and methods using the infrastructure allows patients to receive lower drug and treatment prices tailored to the patients' needs and can increase patients' access to drugs and other treatments.
摘要:
The disclosure according to some exemplary embodiments relates generally to an infrastructure for electronic records (e.g., electronic medical records (EMRs), electronic health records (EHRs), and personal health records (PHRs)). The infrastructure allows the use, for example, of the electronic records and other information sources to determine drug and other treatment prices that may differ from listed prices based on various factors, such as approved indication treated, the organization and/or individual responsible for payment, whether and what other drug or drugs are used as part of the treatment regimen, a diagnosis and treatment plan, and responses to treatment, among other factors. Advantageously, in some embodiments, systems and methods using the infrastructure allows patients to receive lower drug and treatment prices tailored to the patients' needs and can increase patients' access to drugs and other treatments.
摘要:
A method relating to the calibration of tuneable lasers is described. The method provides for the provision of correct control currents so as to achieve each of desired output frequencies from the laser. The correct currents are determined by forming a matrix of the output characteristics of the laser at specific tuning currents and processing that matrix to determine stable operating points within the matrix.
摘要:
The present invention relates to a method of packaging and a packaging system for treated stents (9) which minimise the level of exposure of the stents to oxygen, moisture and light. The package comprises two compartments (2, 3), the compartments (2, 3) being in communication with each other via a breathable membrane (4).