A 150W 969nm wavelength stabilized fiber coupled laser diode is a high-power laser device that emits light at a fixed wavelength of 969nm. The laser's output wavelength is stabilized using feedback mechanisms that adjust the laser's output to maintain a constant wavelength over time. This makes it easy to integrate into existing optical systems and allows for flexible positioning of the laser source. It also ensures that the laser's output is accurate and repeatable, making it ideal for use in applications such as spectroscopy and metrology.
The laser diode consists of a semiconductor laser bar that is mounted on a heatsink and coupled to a 105um core fiber with a numerical aperture of 0.22. The fiber delivers the laser light to the target with high efficiency and low loss. The laser diode has a hermetically sealed 2-pin package that measures 165mm x 55mm. The operating current and voltage are 13A and 35V, respectively. The threshold current is 1A.
The laser diode has several advantages over conventional lasers, such as:
- High power output: The laser diode can deliver up to 150W of optical power from a single fiber, which is much higher than most other lasers in the same wavelength range.
- Wavelength stability: The laser diode has a wavelength tolerance of ±1nm and a wavelength temperature coefficient of 0.03nm/℃, which means that the output wavelength does not change significantly with temperature or current variations.
- Long lifetime: The laser diode has a long operating lifetime of more than 10,000 hours, which reduces the maintenance cost and downtime.
- Compact size: The laser diode has a small footprint and low weight, which makes it easy to install and transport.
The laser diode can be used for various applications, such as:
- Fiber laser pumping: The laser diode can be used as a pump source for high-power fiber lasers, such as ytterbium-doped fiber lasers or thulium-doped fiber lasers, which can generate high-quality beams at different wavelengths for industrial or medical purposes.
- Solid-state laser pumping: The laser diode can also be used as a pump source for solid-state lasers, such as neodymium-doped yttrium aluminum garnet (Nd:YAG) lasers or erbium-doped yttrium aluminum garnet (Er:YAG) lasers, which can produce high-energy pulses for material processing or surgery.
- Direct diode material processing: The laser diode can also be used directly for material processing, such as cutting, welding, drilling, or marking of metals, plastics, ceramics, or glass.
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