Document ID: chunk:federal_register_of_legislation:F2024L01024:front:0:p205
Version: federal_register_of_legislation:F2024L01024
Segment Type: other
Provision Reference: 
Character Range: 589133–592312

arrays.
Technical Notes:
For the purposes of 6A00d.1.e.:
1. Semiconductor "lasers" are commonly called "laser" diodes.
2. A 'bar' (also called a semiconductor "laser" 'bar', a "laser" diode 'bar' or diode 'bar') consists of multiple semiconductor "lasers" in a one‑dimensional array.
3. A 'stacked array' consists of multiple 'bars' forming a two‑dimensional array of semiconductor "lasers".
6. A. 005. d. 2. Carbon monoxide (CO) "lasers" having any of the following:
                  a. Output energy exceeding 2 J per pulse and "peak power" exceeding 5 kW; or
                  b. Average or CW output power exceeding 5 kW;
6. A. 005. d. 3. Carbon dioxide (CO2) "lasers" having any of the following:
                  a. CW output power exceeding 15 kW;
                  b. Pulsed output with a "pulse duration" exceeding 10 µs and any of the following:
                     1. "Average output power" exceeding 10 kW; or
                     2. "Peak power" exceeding 100 kW; or
                  c. Pulsed output with a "pulse duration" equal to or less than 10 µs and any of the following:
6. A. 005. d. 3. c. 1. Pulse energy exceeding 5 J per pulse; or
                     2. "Average output power" exceeding 2.5 kW;
6. A. 005. d. 4. Excimer "lasers" having any of the following:
                  a. Output wavelength not exceeding 150 nm and any of the following:
                     1. Output energy exceeding 50 mJ per pulse; or
                     2. "Average output power" exceeding 1 W;
                  b. Output wavelength exceeding 150 nm but not exceeding 190 nm and any of the following:
                     1. Output energy exceeding 1.5 J per pulse; or
                     2. "Average output power" exceeding 120 W;
                  c. Output wavelength exceeding 190 nm but not exceeding 360 nm and any of the following:
                     1. Output energy exceeding 10 J per pulse; or
                     2. "Average output power" exceeding 500 W; or
                  d. Output wavelength exceeding 360 nm and any of the following:
                     1. Output energy exceeding 1.5 J per pulse; or
                     2. "Average output power" exceeding 30 W;

                   N.B.: For excimer "lasers" specially designed for lithography equipment, see 3B001.
6. A. 005. d. 5. "Chemical lasers" as follows:
                  a. Hydrogen Fluoride (HF) "lasers";
                  b. Deuterium Fluoride (DF) "lasers";
                  c. 'Transfer lasers' as follows:
                     1. Oxygen Iodine (O2‑I) "lasers";
                     2. Deuterium Fluoride‑Carbon dioxide (DF‑CO2) "lasers";
Technical Note:
For the purposes of 6A005.d.5.c., 'transfer lasers' are "lasers" in which the lasing species are excited through the transfer of energy by collision of a non-lasing atom or molecule with a lasing atom or molecule species.
6. A. 005. d. 6. 'Non‑repetitive pulsed' Nd: glass "lasers" having any of the following:
                  a. "Pulse duration" not exceeding 1 s and output energy exceeding 50 J per pulse; or
                  b. "Pulse duration" exceeding 1 s and output energy exceeding 100 J per pulse;
6. A. 005.