COMPACT PICOSECOND DIODE LASERS.
Saved in:
| Title: | COMPACT PICOSECOND DIODE LASERS. |
|---|---|
| Authors: | Voropai, E. S.1 (AUTHOR), Ermalitskaia, K. F.1 (AUTHOR), Ermalitski, F. A.1 (AUTHOR) f.ermalitski@gmail.com, Rad'ko, A. E.2 (AUTHOR), Rzheutsky, N. V.3 (AUTHOR), Samtsov, M. P.2 (AUTHOR) |
| Source: | Instruments & Experimental Techniques. Feb2022, Vol. 65 Issue 1, p83-88. 6p. |
| Subjects: | Direct current circuits, Electric circuits, Crystal oscillators, Semiconductor lasers, Power resources |
| Abstract: | This article presents the electrical circuit, a description of the design, and results of measurements of the radiative watt–ampere and time characteristics of compact inexpensive emitters based on commercial laser diodes with wavelengths from 405 to 850 nm, which operate in the picosecond (70–180 ps) and nanosecond (0.69–1.2 ns) modes. The optical emitter includes a master crystal oscillator based on a microcontroller (frequencies of 76 Hz–20/80 MHz), a synchronization circuit, a low-voltage (9–12 V) subnanosecond electric pulse shaper that operates according to the method of double differentiation, a pump circuit with an adjustable direct current source, and a laser diode. The average light power at a frequency of 80 MHz varies in pico mode from 0.6 to 1.6 mW and in nano mode from 6 to 18 mW. The lasers are powered by a 220 V/12 V, 0.25 A serial power supply, with a power consumption of 3 W and a weight of 0.2 kg. [ABSTRACT FROM AUTHOR] |
| Copyright of Instruments & Experimental Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
|
Full text is not displayed to guests.
Login for full access.
|
|
| Abstract: | This article presents the electrical circuit, a description of the design, and results of measurements of the radiative watt–ampere and time characteristics of compact inexpensive emitters based on commercial laser diodes with wavelengths from 405 to 850 nm, which operate in the picosecond (70–180 ps) and nanosecond (0.69–1.2 ns) modes. The optical emitter includes a master crystal oscillator based on a microcontroller (frequencies of 76 Hz–20/80 MHz), a synchronization circuit, a low-voltage (9–12 V) subnanosecond electric pulse shaper that operates according to the method of double differentiation, a pump circuit with an adjustable direct current source, and a laser diode. The average light power at a frequency of 80 MHz varies in pico mode from 0.6 to 1.6 mW and in nano mode from 6 to 18 mW. The lasers are powered by a 220 V/12 V, 0.25 A serial power supply, with a power consumption of 3 W and a weight of 0.2 kg. [ABSTRACT FROM AUTHOR] |
|---|---|
| ISSN: | 00204412 |
| DOI: | 10.1134/S0020441222010213 |
