Abstract: The present application is directed to various embodiments of laser devices having at least one thermal lens astigmatism compensation device and methods of use and includes at least one pump source configured to irradiate at least one pump signal, a first gain device is communication with the pump source and configured to irradiate at least one first output signal in response to the pump signal, the first output signal having a first intensity profile Ip1, and at least one thermal lens astigmatism compensation device in communication with the first gain device and configured to rotate the intensity profile Ip1 of the first output to generated a compensated output, at least a second gain device is communication with the pump source and the compensation device and configured to receive the compensated output from the compensation device and irradiate at least one output signal having an output intensity profile Ip0.