Characterizing a laser beam is a growing concern in the industry. A great number of instruments are available on the market, each with their specialities. Continue reading
Because of the wide range of power and energy meter available on the market, and even more because they tend to be not totally versatile, you need to carefully examine your needs against the capabilities of the instrument you are planning to acquire. Continue reading
The base of laser beam diagnostic is to know how much average power you got. Available off the shelves form different manufacturers are three main type of devices, based either on a photodiode, a thermopile or a pyroelectric detector. Continue reading
The level of laser exposure which is considered as the limit between safe and potentially harmful is called Maximum Permissible Exposure (or MPE). Continue reading
The short answer is yes, but so are chainsaws, welders and cars. If they were totally safe they wouldn’t be as useful as they are. Yes lasers can create a small explosion inside one’s head, Continue reading
What is an optic surface figure?
The surface figure, or surface quality or surface cosmetics all refer to the deviation between an actual optic and its ideal surface. There are basically two set of information that are commonly given by manufacturers: the surface flatness and what is referred to as “scratch-dig”. Continue reading
Nowadays, the vast majority of scientific and industrial optics have a thin-layer coating. Continue reading