AstroPen B Series-Monarch Black Laser Pen

★ Usage of AstroPen laser pen

★ The world's patented technology, the first laser brand! Made in Taiwan, precision workmanship!

• All green light laser pens produced by AstroPen have diode components screened with requirements 10 times higher than industry standards and installed in a closed nitrogen chamber to ensure quality. In addition, the exclusive precision photoelectric detection technology allows The output stability is better than 3%, which greatly improves the performance and life of the laser module. It is normal for an AstroPen laser pen to be used stably for more than 5 years.

• The rigorous filtering process outputs less than 0.3% infrared rays, which effectively blocks heat energy and avoids the damage of infrared rays, making every AstroPen green laser pen safer. The pure spectrum of AstroPen is also widely used in scientific experiments in university laboratories.

• Every AstroPen green light laser pen must undergo strict calibration and testing from production to your hands, including focus and projection, which are all accurately set one by one. It has a long projection distance, a concentrated beam, and long power-saving life.

• Comprehensive warranty and warranty, every AstroPen comes with a one-year warranty, and there is also a warranty if the warranty exceeds the limit, so you will always have a high-quality laser pen to use.

★ See-through green light laser pen

In products that use frequency doubling technology, such as green laser pens, common laser crystals such as 808nm semiconductor laser (Nd:YVO4) are usually used to emit 1064nm infrared laser, which is then multiplied. Frequency crystal (KTP) generates 532nm green laser. The efficiency of the green laser created through layers of checkpoints is not very good. All other energy is emitted in the form of infrared light and heat, which makes heat dissipation a big problem. The green laser pen can only rely on the pen shell to naturally Allow to cool.

In addition, the yield rate of high-power semiconductor lasers in the manufacturing process is poor, which indirectly increases the cost of green laser pens. The complex structure of green laser pens with better quality also prevents the size of green lasers from being reduced.

★★In the new design of Shangchen Optical M&T, the semiconductor laser is placed in a nitrogen cavity, which can stabilize the environment of the semiconductor laser and increase its operational stability; an infrared light filter is added to filter out unnecessary infrared light. , to avoid emitting too much laser power; in addition, the precise photoelectric detection structure uses a beam splitter to reflect a small part of the green laser before it is emitted, and feeds it back to the circuit board of the semiconductor laser. Controlling the green laser power released greatly improves the instability of traditional power.

The structure of general laser pens on the market is relatively simple. It uses near-infrared laser to excite Nd:YVO4 to emit infrared laser, which is then multiplied by the KTP crystal into green laser. After that, it passes through the beam expander and collimating lens to straighten , concentrated laser light is emitted.
(The output contains a large amount of infrared rays, which affects the light rate report. The actual visible light is only 1/10 and is dangerous)

★ The laser products produced by Shangchen AstroPen have guaranteed power and stable output, and are shipped with factory test reports.

Laser structure diagram:

Product specifications

Type	Monarch black carved and painted copper pen barrel, size: φ13x148mm
laser diode	Japanese airtight nitrogen chamber 200mW-LD, 532nm
Output wavelength	Frequency doubling crystal 532nm green light, filter structure IR output ≦0.3%
Output mode	Continuous CW, APC structure photoelectric detection technology stability rate ≦3%
Operating power	Independent heat dissipation circuit board, DC3V, current: <360mA, comes with 2 AAA batteries
Divergence angle	<0.8mrad, spectroscopic photoelectric beam expansion collimator lens group
weight	About 48g (excluding battery)
use	Briefings, teaching, meetings, indoor guidance
Warranty	Original factory warranty for one year from the date of purchase
Origin	Made in Taiwan