Method and System for Controlling Non-Coherent Pulsed Light

Abstract

A system and method to control non-coherent pulsed light, the system including a lamp to produce non-coherent light energy in a pulsed mode, a current supply to provide energy to the system, and a switching module to control the spectral distribution and/or light intensity in the non-coherent pulsed light energy during a pulse of non-coherent light. The system may include a controller unit to control pulse parameters for a selected treatment, based on illumination data received from the light sensor. The system may include one or more changeable filters to modulate the pulses supplied to the lamp during a pulse.

1 .- 69 . (canceled) 
     
     
         70 . A system comprising:
 a lamp to produce non-coherent pulsed light;   a current supply to provide current to the lamp; and   a controller to control at least the lamp to enable provision of controlled spectral distribution and controlled temporal intensity distribution of the non-coherent pulsed light within a pulse of the non-coherent pulsed light, the controlled spectral distribution in the non-coherent pulsed light and the controlled temporal intensity distribution of the non-coherent pulsed light being controlled by altering current delivered to the lamp to alter at least one of the spectral distribution and the temporal intensity distribution during the pulse of the non-coherent light.   
     
     
         71 . The system of  claim 70 , further comprising:
 a feedback mechanism including the controller, the feedback mechanism configured to perform a determination whether sensor data from one or more sensors is in accordance with a treatment plan, the feedback mechanism further being configured to change the treatment plan to alter, based on the determination of the feedback mechanism, the current delivered to the lamp to alter the at least one of the spectral distribution and the temporal intensity distribution of the non-coherent pulsed light during the pulse, wherein the sensor data includes one or more of: output from a light sensor resulting from application of the pulse of non-coherent light on a target area, current data from a current sensor, and temperature data from a temperature sensor.   
     
     
         72 . The system of  claim 71 , wherein the feedback mechanism is configured to determine whether the spectral distribution of the non-coherent pulsed light is in accordance with a predetermined spectral shift of the spectral distribution, and to alter the spectral distribution during the pulse in accordance with the predetermined spectral shift of the spectral distribution. 
     
     
         73 . The system of  claim 71 , wherein the feedback mechanism comprises at least one light sensor to:
 sense the non-coherent pulsed light produced by the lamp,   generate signals based on the sensed non-coherent pulsed light, and   provide the generated signals to the feedback mechanism.   
     
     
         74 . The system of  claim 70 , further comprising:
 one or more capacitors and a capacitor charger to provide energy to the lamp, and a current regulator to control the current delivered to the lamp during the pulse of the non-coherent light.   
     
     
         75 . The system of  claim 74 , wherein the regulated current delivered to the lamp includes one or more of: the current from the power supply, and current provided by the one or more capacitors. 
     
     
         76 . The system of  claim 74 , wherein the current regulator comprises a switching module to modulate the current supplied to the lamp. 
     
     
         77 . The system of  claim 76 , wherein the switching module is configured to modulate the current delivered to the lamp during a sub-pulse of the non-coherent light. 
     
     
         78 . The system of  claim 70 , wherein the current supply is configured to cause substantial maintaining of a selected level of the spectral distribution during the pulse of the non-coherent light. 
     
     
         79 . The system of  claim 70 , wherein the current supply is configured to cause substantial maintaining of a selected level of the temporal intensity distribution during the pulse of the non-coherent light. 
     
     
         80 . The system of  claim 70 , further comprising:
 one or more filters to enable provision of the controlled spectral distribution of the non-coherent pulsed light within the pulse of the non-coherent pulsed light.   
     
     
         81 . The system of  claim 80 , wherein the one or more filters include one or more of: cut-on filters, cut-off filters, band-pass filters, changeable filters, neutral density filters, and variable filters. 
     
     
         82 . The system of  claim 80 , wherein the one or more filters enable the provision of the controlled temporal intensity distribution of the non-coherent pulsed light within a pulse of the non-coherent light. 
     
     
         83 . A method comprising:
 generating by a lamp powered, at least in part, by a controllable current supply non-coherent pulsed light; and   controllably altering current delivered to the lamp during the emission of a pulse of the non-coherent light to control at least one of spectral distribution and temporal intensity distribution of the non-coherent pulsed light within the pulse of the non-coherent light.   
     
     
         84 . The method of  claim 83 , further comprising:
 determining whether sensor data from one or more sensors is in accordance with a treatment plan; and   changing the treatment plan to alter, based on the determination of whether the sensor data from the one or more sensors is in accordance with the treatment plan, the current delivered to the lamp to alter the at least one of the spectral distribution and the temporal intensity distribution of the non-coherent pulsed light during the pulse;   wherein the sensor data includes one or more of: output from a light sensor resulting from application of the pulse of non-coherent light on a target area, current data from a current sensor, and temperature data from a temperature sensor.   
     
     
         85 . The method of  claim 84 , wherein determining whether the sensor data from the one or more sensors is in accordance with the treatment plan comprises:
 determining whether the spectral distribution of the non-coherent pulsed light is in accordance with a predetermined spectral shift of the spectral distribution; and   altering the spectral distribution during the pulse in accordance with the predetermined spectral shift of the spectral distribution.   
     
     
         86 . The method of  claim 84 , wherein determining whether the sensor data from the one or more sensors is in accordance with the treatment plan comprises:
 sensing the non-coherent pulsed light produced by the lamp;   generating signals based on the sensed non-coherent pulsed light; and   providing the generated signals to a feedback mechanism.   
     
     
         87 . The method of  claim 83 , further comprising:
 controlling the at least one of the spectral distribution and the temporal intensity distribution of the non-coherent pulsed light within the pulse of the non-coherent light using one or more filters.   
     
     
         88 . The method of  claim 87 , wherein the one or more filters include one or more of: cut-on filters, cut-off filters, band-pass filters, changeable filters, neutral density filters, and variable filters.