- List
- NSG – Nuclear-related dual-use equipment, materials, software and related technology (Part 2) – INFCIRC/254/Rev.13/Part 2
a. Copper vapour lasers having both of the following characteristics:
1. Operating at wavelengths between 500 and 600 nm; and
2. An average output power equal to or greater than 30 W;
b. Argon ion lasers having both of the following characteristics:
1. Operating at wavelengths between 400 and 515 nm; and
2. An average output power greater than 40 W;
c. Neodymium-doped (other than glass) lasers with an output wavelength between 1000 and 1100 nm having either of the following:
1. Pulse-excited and Q-switched with a pulse duration equal to or greater than 1 ns, and having either of the following:
a. A single-transverse mode output with an average output power greater than 40 W; or
b. A multiple-transverse mode output with an average output power greater than 50 W;
or
2. Incorporating frequency doubling to give an output wavelength between 500 and 550 nm with an average output power of greater than 40 W;
d. Tunable pulsed single-mode dye laser oscillators having all of the following characteristics:
1. Operating at wavelengths between 300 and 800 nm;
2. An average output power greater than 1 W;
3. A repetition rate greater than 1 kHz; and
4. Pulse width less than 100 ns;
e. Tunable pulsed dye laser amplifiers and oscillators having all of the following characteristics:
1. Operating at wavelengths between 300 and 800 nm;
2. An average output power greater than 30 W;
3. A repetition rate greater than 1 kHz; and
4. Pulse width less than 100 ns;
Note: Item 3.A.2.e. does not control single mode oscillators.
f. Alexandrite lasers having all of the following characteristics:
1. Operating at wavelengths between 720 and 800 nm;
2. A bandwidth of 0.005 nm or less;
3. A repetition rate greater than 125 Hz; and
4. An average output power greater than 30 W;
g. Pulsed carbon dioxide (CO₂) lasers having all of the following characteristics:
1. Operating at wavelengths between 9000 and 11000 nm;
2. A repetition rate greater than 250 Hz;
3. An average output power greater than 500 W; and
4. Pulse width of less than 200 ns;
Note: Item 3.A.2.g. does not control the higher power (typically 1 to 5 kW) industrial CO₂ lasers used in applications such as cutting and welding, as these latter lasers are either continuous wave or are pulsed with a pulse width greater than 200 ns.
h. Pulsed excimer lasers (XeF, XeCl, KrF) having all of the following characteristics:
1. Operating at wavelengths between 240 and 360 nm;
2. A repetition rate greater than 250 Hz; and
3. An average output power greater than 500 W;
i. Para-hydrogen Raman shifters designed to operate at 16 µm output wavelength and at a repetition rate greater than 250 Hz.
j. Pulsed carbon monoxide (CO) lasers having all of the following characteristics:
1. Operating at wavelengths between 5000 and 6000 nm;
2. A repetition rate greater than 250 Hz;
3. An average output power greater than 200 W; and
4. Pulse width of less than 200 ns.
Note: Item 3.A.2.j. does not control the higher power (typically 1 to 5 kW) industrial CO lasers used in applications such as cutting and welding, as these latter lasers are either continuous wave or are pulsed with a pulse width greater than 200 ns.
1. Operating at wavelengths between 500 and 600 nm; and
2. An average output power equal to or greater than 30 W;
b. Argon ion lasers having both of the following characteristics:
1. Operating at wavelengths between 400 and 515 nm; and
2. An average output power greater than 40 W;
c. Neodymium-doped (other than glass) lasers with an output wavelength between 1000 and 1100 nm having either of the following:
1. Pulse-excited and Q-switched with a pulse duration equal to or greater than 1 ns, and having either of the following:
a. A single-transverse mode output with an average output power greater than 40 W; or
b. A multiple-transverse mode output with an average output power greater than 50 W;
or
2. Incorporating frequency doubling to give an output wavelength between 500 and 550 nm with an average output power of greater than 40 W;
d. Tunable pulsed single-mode dye laser oscillators having all of the following characteristics:
1. Operating at wavelengths between 300 and 800 nm;
2. An average output power greater than 1 W;
3. A repetition rate greater than 1 kHz; and
4. Pulse width less than 100 ns;
e. Tunable pulsed dye laser amplifiers and oscillators having all of the following characteristics:
1. Operating at wavelengths between 300 and 800 nm;
2. An average output power greater than 30 W;
3. A repetition rate greater than 1 kHz; and
4. Pulse width less than 100 ns;
Note: Item 3.A.2.e. does not control single mode oscillators.
f. Alexandrite lasers having all of the following characteristics:
1. Operating at wavelengths between 720 and 800 nm;
2. A bandwidth of 0.005 nm or less;
3. A repetition rate greater than 125 Hz; and
4. An average output power greater than 30 W;
g. Pulsed carbon dioxide (CO₂) lasers having all of the following characteristics:
1. Operating at wavelengths between 9000 and 11000 nm;
2. A repetition rate greater than 250 Hz;
3. An average output power greater than 500 W; and
4. Pulse width of less than 200 ns;
Note: Item 3.A.2.g. does not control the higher power (typically 1 to 5 kW) industrial CO₂ lasers used in applications such as cutting and welding, as these latter lasers are either continuous wave or are pulsed with a pulse width greater than 200 ns.
h. Pulsed excimer lasers (XeF, XeCl, KrF) having all of the following characteristics:
1. Operating at wavelengths between 240 and 360 nm;
2. A repetition rate greater than 250 Hz; and
3. An average output power greater than 500 W;
i. Para-hydrogen Raman shifters designed to operate at 16 µm output wavelength and at a repetition rate greater than 250 Hz.
j. Pulsed carbon monoxide (CO) lasers having all of the following characteristics:
1. Operating at wavelengths between 5000 and 6000 nm;
2. A repetition rate greater than 250 Hz;
3. An average output power greater than 200 W; and
4. Pulse width of less than 200 ns.
Note: Item 3.A.2.j. does not control the higher power (typically 1 to 5 kW) industrial CO lasers used in applications such as cutting and welding, as these latter lasers are either continuous wave or are pulsed with a pulse width greater than 200 ns.