A new proposal of high repetitive Nd:YAG laser power supply adopted the sequential charge and discharge circuit
The pulsed Nd:YAG laser is the most commonly used type of solid-state laser in many fields. In material processing, the power density control of a laser beam has been considered to be significant, which depends on the flashlamp current pulse width and pulse repetition rate. In this study, we have pr...
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| Veröffentlicht in: | Optics and laser technology 1999-07, Vol.31 (5), p.397-400 |
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| container_issue | 5 |
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| container_title | Optics and laser technology |
| container_volume | 31 |
| creator | Hong, Jung-Hwan Park, Koo-Ryul Kim, Byung-Gyun Kim, Whi-Young Lee, Dong-Hoon Kim, Hee-Je Kang, Uk |
| description | The pulsed Nd:YAG laser is the most commonly used type of solid-state laser in many fields. In material processing, the power density control of a laser beam has been considered to be significant, which depends on the flashlamp current pulse width and pulse repetition rate.
In this study, we have proposed a new method of sequential charge and discharge circuit (SCADC) to control the laser power density. The power supply of SCADC is composed of low frequency capacitors instead of very expensive high frequency capacitors. We could find the stability of laser output as well as the flashlamp current up to the pulse repetition rate of 150 pps. As increasing a repetition rate from 30 to 150 pps by the step of 30 pps, it is known that the laser outputs increased by 10 W. |
| doi_str_mv | 10.1016/S0030-3992(99)00070-5 |
| format | Article |
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In material processing, the power density control of a laser beam has been considered to be significant, which depends on the flashlamp current pulse width and pulse repetition rate.
In this study, we have proposed a new method of sequential charge and discharge circuit (SCADC) to control the laser power density. The power supply of SCADC is composed of low frequency capacitors instead of very expensive high frequency capacitors. We could find the stability of laser output as well as the flashlamp current up to the pulse repetition rate of 150 pps. As increasing a repetition rate from 30 to 150 pps by the step of 30 pps, it is known that the laser outputs increased by 10 W.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/S0030-3992(99)00070-5</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 0030-3992 |
| ispartof | Optics and laser technology, 1999-07, Vol.31 (5), p.397-400 |
| issn | 0030-3992 1879-2545 |
| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Beam characteristics: profile, intensity, and power spatial pattern formation Biological and medical applications Doped-insulator lasers and other solid state lasers Exact sciences and technology Fundamental areas of phenomenology (including applications) Industrial applications Laser optical systems: design and operation Laser power density control Lasers Optics Physics Pulsed Nd:YAG laser Successive charge and discharge circuit |
| title | A new proposal of high repetitive Nd:YAG laser power supply adopted the sequential charge and discharge circuit |
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