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Laser product classification
EN: Safety guide
1 - 1 6
Lucent Technologies - Proprietary
See notice on first page.
365-312-879R5.1
Issue 1, August 2006
FDA/CDRH laser classification
The following table provides an overview of laser classes for wavelengths of 1310 nm and
1550 nm in accordance with the FDA/CDRH regulations.
Explanatory note
:
In the United States, lasers and laser systems are assigned to one of the following classes:
Roman numerals I, IIa, II, IIIa, IIIb, and IV. Classes I, IIIb and IV apply to lasers of all
wavelengths whereas Classes IIa, II and IIIa apply only to those lasers operating within
the visible wavelength range (400-700 nm). Lucent Technologies laser products typically
operate in the infrared wavelength range (greater than 700 nm) and, therefore, are
primarily in the Class I or Class IIIb classifications.
IEC laser classification
The following table provides an overview of laser classes for wavelengths of 1310 nm and
1550 nm in accordance with the IEC 60825-1 Edition 1.2 (2001) standard. The precise
power limits depend on the mode field diameter and the numerical aperture (NA) of the
laser source.
Notes:
1.
Class 3R only exists if the maximum power is within five times the Accessible Emission
Limits (AEL) of Class 1. Please refer to the IEC 60825-1 Edition 1.2 (2001) and IEC
60825-2 Edition 3.0 (2004) standards for detailed information.
Laser class
Wavelength
Maximum output power of laser radiation
I
1310 nm
1.53 mW
+1.85 dBm
1550 nm
8.52 mW
+9.3 dBm
IIIb
1310 nm
500 mW
+27 dBm
1550 nm
500 mW
+27 dBm
IV
1310 nm
> 500 mW
> +27 dBm
1550 nm
> 500 mW
> +27 dBm
Laser class
Wavelength
Maximum output power of laser radiation
1
1310 nm
15.6 mW
+11.93 dBm
1550 nm
10 mW
+10 dBm
1M
1310 nm
50.84 mW
+17.06 dBm
1550 nm
121.20 mW
+20.84 dBm
3R
1310 nm
86 mW
+18.92 dBm
1550 nm
–
1
3B
1310 nm
500 mW
+27 dBm
1550 nm
500 mW
+27 dBm
4
1310 nm
> 500 mW
> +27 dBm
1550 nm
> 500 mW
> +27 dBm