960
Currently , there are no commercial options for a laser power controller that allows continuously variable power to be used as a galvanometer system adjusts the laser position .
 laser power, controller, power, be, as, laser
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 laser power, controller, power, be, as, laser