Article states a 'shot' lasts no more than two seconds. Who said anything about killing? The use case seems to be incapacitation and starting fires. Why would

Article states a 'shot' lasts no more than two seconds. Who said anything about killing? The use case seems to be incapacitation and starting fires. Why would particulate matter in the air not be required? There's plenty of video on youtube of IR laser pointer operation through night vision. It works the same as a visible laser. Given you have IR laser detecting equipment suitable for daytime use (I'm not convinced your could adapt existing night vision equipment to the task) that would still require you to be expecting a laser attack to deploy it. Come to think of it, it's not a given that the weapon even uses a wavelength visible to night vision devices. They don't cover all of infrared.