US 12,436,390 B2 · Modeling thermal effects for a laser system

Abstract

The present disclosure relates to systems, methods, and computer readable media for modeling thermal effects within a multi-laser device. For example, systems described herein may include a plurality of laser devices that output energy streams having corresponding operating windows. One or more systems described herein may include a set of accumulators for tracking quantities of energy samples within operating windows and populating a queue representative of the tracked quantities. One or more systems described herein may additionally include filters and a summing module for determining temperature values for operating windows and synchronizing the temperature values with one another to determine an accurate system temperature for the multi-laser device. The features described herein facilitate synchronization of data for corresponding operating windows to provide an accurate determination of system temperature based on a combination of self-heating and crosstalk effects between multiple laser devices.

Claims19

Dependent claims

A laser system, comprising:

one or more laser devices including a plurality of emitters, wherein the plurality of emitters output a plurality of energy streams, the plurality of energy streams having associated operating windows, each of the associated operating windows having a window size that is a multiple of a base window interval;
a plurality of filters that receive the plurality of energy streams and determine temperature values for each energy stream of the plurality of energy streams at base window intervals;
and
a summing module that receives the temperature values at a coordinated interval associated with the associated operating windows of the plurality of energy streams and in accordance with instructions provided by the summing module to the plurality of filters at the base window intervals, wherein the summing module further compiles sets of laser temperature values received from the plurality of filters over the coordinated interval, the coordinated interval being a combined interval based on a common multiple of window sizes for the associated operating windows of respective energy streams of the plurality of energy streams.

1 more element

A laser system, comprising:

one or more laser devices including a plurality of emitters, wherein the plurality of emitters output a plurality of energy streams, the plurality of energy streams having associated operating windows, each of the associated operating windows having a window size that is a multiple of a base window interval;
a plurality of accumulators that accumulate energy samples for a combined window for the plurality of emitters, the combined window having an interval being a multiple of the associated operating windows, wherein accumulating the energy samples includes determining, for each emitter of the plurality of emitters, a quantity of energy samples for the combined window, wherein the plurality of accumulators further populate a plurality of queues, each queue of the plurality of queues including a set of one or more values indicating quantities of energy samples output by an associated emitter from the plurality of emitters over the combined window;
and
a thermal modeling system that receives the plurality of queues and determines a system temperature for the laser system for the combined window based on values from the plurality of queues.

1 more element

Dependencies are inferred from the claim text.

Modeling thermal effects for a laser system

Life of this patent

Modeling thermal effects for a laser system

Life of this patent

Abstract

Claims19