Laser is widely used in medical treatment, military, and other fields due to its good directivity and energy concentration. The Laser Transmitter module, as the name suggests, is one that can emit laser.
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. Lasers differ from other sources of light because they emit light coherently.
Spatial coherence allows a laser to be focused to a tight spot, enabling applications like laser cutting and lithography, and a laser beam to stay narrow over long distances (collimation), enabling applications such as laser pointer. Lasers can also have high temporal coherence which allows them to have a very narrow spectrum, i.e., they only emit a single color of light. And its temporal coherence can be used to produce pulses of light—as short as a femtosecond.
The module is applicable to positioning in laser sights, concentricity and medical equipment, laser test tools, signal generator, etc.
More details can be found in http://wiki.sunfounder.cc/index.php?title=Laser_Emitter_Module
- Use a laser that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
- Laser wavelength: 650nm (red).
- Beam mode: spot, continuous output.
- Working voltage: 3-5V DC; PCB size: 2.0 x 2.0 cm.
- Operating life cycle: > 1000h
- Working current: < 25mA
- Operating temperature: -36℃ ~ 65℃ .
- Laser Transmitter module x 1
- 2-Pin anti-reverse cable x 1
1. Order processing times
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Generally, we will ship the orders with Free Shipping, without the minimum order amount requirement. You may check if the free shipping method is available to your country in the Delivery Area below.
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NOTE: All the orders will be shipped from our China warehouse.
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5. Shipping Method and Delivery Times
DHL(Orders Over $400)
UPS(Orders Over $400)
Delivery Time: 12-15 working days
You can track on https://www.17track.net/en
* Delivery Time - These are the delivery estimates provided by our shipping partners and apply from point of dispatch, not from point of sale. Once your parcel leaves our warehouse, we cannot control any delays after that point.
6. Customs & Import fees
Such as the products you buy on our site - can't simply be shipped freely from country to country. When goods are imported into a different country or customs territory, there is a charge called Customs Duty that must apply. This is charged by the local customs authority where the goods are being imported into.
If Customs Duty is payable to your territory, you'll be responsible for paying it to the authorities, so SunFounder isn't involved in this process. Whether Customs Duty is payable, and by how much, depends on a whole lot of different things. For example, many countries have a 'low value threshold' below which they do not charge any Customs Duty.
If you do have to pay Customs Duty though, the amount payable is usually calculated based on the value of the goods and the type of goods being imported.
AND IF I DON'T PAY THE CUSTOMS DUTY?
If, for whatever reason, you refuse the customs fee and the parcel is returned back to us. If you're still unsure on whether you'll be subject to customs fees, we recommend contacting your local customs office for more info before placing your order!
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