1535nm DPSS Erbium Glass Laser 4mJ

The ERDI TECH 4mJ 1535nm Er:glass DPSS microchip laser utilizes a ​proprietary erbium-glass slab configuration​ (Er³⁺/Yb³⁺ co-doped phosphate glass) with stacked array pumping and passive Q-switching, delivering ​4mJ pulse energy​ while complying with ​Class 1 eye-safe certification​ (1535nm wavelength primarily absorbed by the cornea, eliminating retinal risk). It generates ≤12ns pulses at adjustable 1–20Hz repetition rates, with energy stability RMS≤3% and superior beam quality (TEM00 mode, ≤5mrad full-angle divergence).
Featuring an ​ultra-compact package​ (60×25×13.5mm³, 105g weight) and ​TEC-free broad-temperature operation (-40°C to 65°C)​, it integrates 1500G shock resistance and real-time pulse monitoring. The slab design enhances thermal conductivity (~20W/m·K), minimizing thermal lensing and extending service life to >50 million pulses. Critical applications include:

​Long-range sensing: 4mJ energy + low atmospheric attenuation (0.1dB/km) enables ＞20km laser ranging and 3D imaging;
​Tactical communications: 1535nm band compatibility with fiber optic windows reduces signal loss in field operations;
​Medical procedures: High water absorption coefficient (~12cm⁻¹) optimizes corneal ablation and dental surgery;
​Military platforms: Certified for extreme temperatures and vibration, it integrates into firearm aiming systems and UAV payloads.