Hi, i am laser newbie, i have some question about the wavelength...
(1)
i found a laser product from internet, here is the spec:
Name: S3 Series
FDA Accession No.: 0920211-000
Size: 228mm x 35.8mm
Weight: 378g
Wavelength: 445nm
I don't understand the "Wavelength"...the 445nm means the...