is this strong enough to burn through objects?

No it does not. The beam is extremely weak, I would recommend a laser diode with at the very least 100mw to burn anything. I hope this helps.

How fast can this laser be modulated by modulating the input voltage?

The input voltage does change the brightness of the laser. There is a protective circuit limiting voltage and brightness that could affect response time but it is likely to work. But why use UV when green is easier to see and red is dirt cheap?

Is this laser for a scanning microscope? Can anyone recommend a sensor?

The beam quality appears to be single mode with no ghost spots. It could be used as a source if it is truly CW and if one wanted to scan at this wavelength.

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Laser Module 405nm Violet Purple Blue Laser "Dot" Diode (Adjust Focus 5mw DC3V-5V)

Laser Module 405nm Violet Purple Blue Laser "Dot" Diode (Adjust Focus 5mw DC3V-5V)

Product ID: 44450521

Details

Brand
lights88
Color
Brass Black
Material
Brass
Product Dimensions
1.77"L x
Style
Laser

⚡5mW power with wide 3V-5V voltage range

🎯Adjustable focus for perfect dot precision

🔵405nm precise violet-blue wavelength

€ 27.39

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Description

🎯 Sharpen your focus, illuminate your edge.

CUSTOMIZABLE FOCUS - Easily adjust the front cap to fine-tune the laser dot size based on your working distance—never settle for a blurry spot again.
OPTIMIZED DUTY CYCLE - Designed for safe, efficient use with a 10-minute on / 1-2 second off cycle, perfect for extended presentations or experiments.
POWER MEETS PROTECTION - 5mW output with wide voltage tolerance (3V-5V) ensures consistent performance without risk of overload.
PINPOINT PRECISION LASER - 405nm violet-blue wavelength delivers sharp, clear dot visibility for professional presentations and projects.
DURABLE BRASS COPPER BUILD - Premium brass cap and black copper tube combine style with industrial-grade durability.

This 405nm violet-blue laser module delivers a powerful 5mW dot laser with adjustable focus, housed in a durable brass and copper casing. Operating safely within a 3V-5V range and optimized for professional use, it’s ideal for presentations, scientific applications, and precision tasks requiring a crisp, reliable laser dot.

Specifications

ASIN	B072JB71G8
Best Sellers Rank	#219,434 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #36 in Diode Lasers
Brand Name	lights88
Color	Brass, Black
Customer Reviews	3.8 3.8 out of 5 stars (128)
Included Components	405nm Laser Module
Item Dimensions L x W	1.77"L x 0.57"W
Item Type Name	405nm Laser
Manufacturer	lights88
Manufacturer Part Number	43237-2
Material Type	Brass
Model Number	43237-2
Operation Mode	Automatic
Style Name	Laser
UPC	887898100469
Unit Count	1.0 Count

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€ 27.39

Duties & taxes included

In stock

Sold byAmazon GERMANYDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to GERMANY.

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TrustScore 4.5 | 7,300+ reviews

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