Description
This is just the laser head for the 4.2W Spindle Mount laser kit. Get this if you need to replace your laser after extended usage from your original kit, if you just want a spare, or upgrade to the spindle version in your original kit.
This laser will work with the 2.5 amp laser driver.
Choose which lens to have included on the laser, either high resolution or high efficiency. We recommend using the high resolution lens.
Laser Overview
The laser diode in this kit is the strongest laser diode on the market.
Absolute Maximum Ratings:
| Item | Absolute Maximum Ratings | Unit |
| Forward Current (Tc = 25°C) | 2.5 | A |
| Absolute max output optical power | >4.2 | W |
| Allowable Reverse Current (Tc = 25°C) | 85 | mA |
| Operating Case Temperature | 50 | °C |
Electrical / Optical Characteristics:
| Item | Min | Typ. | Max | Unit |
| Optical Output Power @2.3 amps | 3.8 | W | ||
| Optical Output Power @2.5 amps | 4.2 | W | ||
| Dominant Wavelength | 435 | 455 | nm | |
| Threshold Current | 80 | 220 | mA | |
| Operating Voltage | 3.7 | 5.5 | V | |
| Focused Spot Size | 0.007 | 0.009 | Inches | |
| Beam Divergence Full Angle (1/e^2) // | 5 | 14 | 25 | deg. |
| Beam Divergence Full Angle (1/e^2) – Perp | 30 | 44 | 50 | deg. |
-Above specifications are for reference purposes only and are subject to change. Figures in specifications may contain measurement errors.
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