405nm激光器廣泛用于紫外熒光激發,許多有機材料被405nm激光激發后產生明顯的熒光,除此之外，405nm激光器還可以用于紫外固化和紫外檢測。
半導體405nm激光器采用精密驅動電路供電,具有較低的噪音,在較寬溫度范圍上輸出激光穩定,
半導體405nm激光器規格參數
| Parameter | Minimum Value | Typical Value | Maximum Value |
|---|---|---|---|
| Central Wavelength, nm | 402 | 405 | 408 |
| Longitudinal modes | - | multiple | - |
| Spectral line width FWHM, nm | - | 0.5 | 1 |
| Output power, mW | - | 150 1 | - |
| Power stability, % (RMS, 8 hrs) | - | 0.2 2 | 1 |
| Power stability, % (peak-to-peak, 8 hrs) | - | 2 3 | 3 |
| Noise, % (RMS, 20 Hz to 20 MHz) | - | 0.25 4 | 0.6 |
| Transversal modes | - | TEM00 | - |
| Beam Diameter at Aperture (1/e2), mm | - | 1 | - |
| Beam divergence (full angle), mrad | - | 1.1 | - |
| M2 horizontal axis | - | 1.1 | 1.4 |
| M2 vertical axis | - | 1.2 | 1.5 |
| M2 effective | - | 1.2 | 1.5 |
| Polarization direction | - | Horizontal 5 | - |
| Polarization contrast | 1000 | 2000 | 5000 |
| Control interface type | - | UART/USB | - |
| Operation mode | - | APC (CW) | - |
| Modulation bandwidth, MHz | - | optional 6 | - |
| Input voltage, VDC | 4.8 | 5 | 5.3 |
| External power supply requirement | - | +5 V DC, 1.5 A | - |
| Dimensions, mm | - | 50 x 30 x 16 7 | - |
| Beam height from the base, mm | 9.9 | 10.4 | 10.9 |
| Heat-sinking requirement, °C/W | - | 1 | - |
| Optimum heatsink temperature, °C | 15 | 20 | 30 |
| Warm up time, mins (cold start) | 0.1 | 0.5 | 1 |
| Temperature stabilization | - | Yes | - |
| Overheat protection | - | Yes | - |
| Storage temperature, °C (non-condensing) | -10 | - | 50 |
| Net weight, kg | 0.1 | 0.2 | 0.14 |
| Max. power consumption, W | 0.4 | 2 | 10 |
| Warranty, months (op. hrs) | - | 14 (10000) 8 | - |
| RoHS | - | Yes | - |
| CE compliance | - | - General Product Safety Directive (GPSD) 2001/95/EC - (EMC) Directive 2004/108/EC | - |
| Laser Safety Class | - | 3B | - |
| OEM lasers are not compliant with | - | IEC60825-1:2014 (compliant using additional accessories) |
圖2: 半導體405 nm激光器光譜圖，測量分辨率10pm
圖3：半導體405nm激光器進場光斑圖, (出光口0.45 m處測量) .
圖4： 半導體405nm激光器遠場光斑圖 (出光口2.75 m處測量) ，非圓形光束
