Scholarly Index
David Welch
Columbia University Irving Medical Center; 14,820 total citations; 530 total publications; best world rank #45
Columbia University Irving Medical Center
14,820Total citations
530Total publications
63H-index
Published ranking records
| Field | Window | World rank | National rank | Impact score |
|---|---|---|---|---|
| Semiconductor Lasers and Optical Devices | Lifetime | 45 | US 25 | 99.71 |
| Photonic and Optical Devices | Lifetime | 313 | US 105 | 99.35 |
| Semiconductor Quantum Structures and Devices | Lifetime | 257 | US 104 | 99.16 |
| Solid State Laser Technologies | Lifetime | 178 | US 38 | 98.66 |
| Infection Control and Ventilation | Lifetime | 103 | US 36 | 97.50 |
| Laser Design and Applications | Lifetime | 416 | US 178 | 97.60 |
| Bartonella species infections research | Lifetime | 52 | US 27 | 96.14 |
| Skin Protection and Aging | Lifetime | 725 | US 267 | 94.55 |
| German History and Society | Lifetime | 815 | US 369 | 74.92 |
| Skin Protection and Aging | 2021-2025 | 91 | US 24 | 94.31 |
| Infection Control and Ventilation | 2021-2025 | 130 | US 26 | 93.73 |
| Indoor Air Quality and Microbial Exposure | 2021-2025 | 155 | US 25 | 87.90 |