Ophthalmological laser treatment device

A method for controlling an ophthalmological laser treatment device, the ophthalmological laser treatment device comprising:

• a base station having a treatment laser source configured to generate a treatment laser beam,
• an application head, and
• an arm arranged between the base station and the application head configured to provide a beam path for the treatment laser beam;
• wherein the ophthalmological laser treatment device includes a laser beam monitor, a light signal source, and a control module, the laser beam monitor comprising a photodetector array arranged to receive a light signal provided by the light signal source, the light signal having traveled through the arm along the beam path,
• the method comprising:
• receiving, in the control module, a photodetector array signal from the photodetector array;
• determining, in the control module, using the photodetector array signal, signal characteristics of the light signal;
• and
• controlling, in the control module, the ophthalmological laser treatment device using the signal characteristics,
• wherein determining, in the control module, the signal characteristics, comprises determining at least one of the following properties of the treatment laser beam:
• a rotational orientation of the treatment laser beam after exiting the arm, a beam power of the treatment laser beam, a laser pulse energy of the treatment laser beam, or a laser beam profile of the treatment laser beam.

An ophthalmological laser treatment device comprising:

• a base station having a treatment laser source configured to generate a treatment laser beam;
• an application head;
• an arm arranged between the base station and the application head configured to provide a beam path for the treatment laser beam;
• a light signal source configured to generate a light signal;
• a laser beam monitor comprising a photodetector array configured to receive the light signal generated by the light signal source, the light signal having traveled through the arm along the beam path;
• and
• a control module configured to:
• receive a photodetector array signal from the laser beam monitor, determine, using the photodetector array signal, signal characteristics of the light signal, and
• control the ophthalmological laser treatment device using the determined signal characteristics,
• wherein the control module is configured to determine, using the signal characteristics, at least one of the following properties of the treatment laser beam:
• a rotational orientation of the treatment laser beam after exiting the arm, a beam power of the treatment laser beam, a laser pulse energy of the treatment laser beam, or a laser beam profile of the treatment laser beam.