At such low power levels, an infrared (IR) filter for a diode-pumped solid-state (DPSS) laser is usually not required. However, high-powered DPSS laser pointers (>5 mW) are now available to the ...
However, ironically for him, he is alarmed that many green laser pointers are more powerful than they are supposed to be. Sure, you often want a powerful laser, but if you think a laser is safe ...