Hello. I want to know about the polarisation of lasers and I've been reading basically two kinds of answers for the question 'Is laser light polarised?' The first one is 'yes' and the second one 'not necessarily'. Let's consider a gaussian laser. Ideally its light is monochromatic and coherent. Doesn't this already establish that it is polarised? When people say that laser light is not polarised are they referring to how distant from an ideal laser the real laser is, meaning that is not perfectly coherent or monochromatic? Finally... if it is polarised... when light leaves the laser device, in which direction it is polarised? Thank you.