The operating wavelength of the 1535nm Erbium glass laser with PIN is an eye-safe band, which has great advantages in the fields of laser ranging, radar, etc. This series of lasers has a built-in PIN, can output laser synchronization signals, pure pulses without tails, stable single pulse energy, and good beam quality. The semiconductor pump module and laser crystal are integrated into a small and compact package for easy installation and integration.
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Product Application Weather radar Fuze Main Features Based on Er:glass passive Q-switching technology Eye-safe Extremely light weight |
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Products Description
| Wavelength (nm) | 1535 | ||
| Single pulse energy (μJ) | 100 | 200 | 300 |
| Pulse width typ. (ns) | 5 | ||
| Repetition rate (Hz) | 10 | ||
| Operating current (A) | 8 | 10 | 12 |
| PIN amplitude (V@50Ω impedance) | 2~3 | ||
| Full angle divergence typ. (mrad) | 10 | 8 | |
| Beam mode | TEM00 | ||
| Energy stability (RMS) | 3% | ||
| Weight (g) | 10 | ||
| Dimensions (L×W×H, mm) | 25x8x7 | ||
| Operating temperature (℃) | -40~65 | ||
| Storage temperature (℃) | -45~80 | ||
Note: All data in the above table are typical values tested at room temperature 25℃. The final data shall be subject to the factory test report.
Secondly, lasers can be produced using semiconductor packaging technology, and nitrogen sealing ensures that there is no condensation at low temperatures of -40°C. The volume and weight of the laser are very small. For a typical 1mJ laser, the laser head weighs no more than 20g. The laser can be equipped with a PD to detect light and trigger the acquisition device.
Long-distance laser rangefinders are developing towards the trend of high safety, long measuring distance, high accuracy, low power consumption and miniaturization. At present, the commonly used emission wavelength of rangefinders is 1064nm, which is easy to damage the human retina and poses a great safety hazard. The wide application of miniaturized and highly reliable 1535nm eye-safe lasers in rangefinders will become an inevitable trend. 1535nm eye-safe lasers have been widely used in handheld ranging, gun aiming, pods, fuses and border monitoring.
The principle structure of the ranging system is shown in the figure below. It is mainly composed of four parts: laser emission module, optical transceiver system, laser receiving system and signal processing system. The eye-safe ranging system uses Er glass solid laser to generate 1535nm laser with 100μJ energy, low repetition rate and narrow pulse width, InGaAs APD as signal detection, and TDC for flight time measurement, so as to obtain accurate distance information.
Core Application Fields
1. LiDAR Systems
Eye-safe 1535nm band for automotive and airborne LiDAR applications
High-energy pulses enhance detection range and signal-to-noise ratio
Superior atmospheric transmission characteristics compared to 1064nm lasers
2. Medical and Aesthetic Treatments
Optimal water absorption peak for dermatological procedures (scar revision, vascular lesions)
Minimally invasive tissue ablation with precise thermal confinement
Reduced risk of collateral damage in ophthalmic applications
3. Industrial Material Processing
Precision machining of non-metallic materials (polymers, ceramics, composites)
Fiber-coupled systems enable flexible processing configurations
High peak power enables clean cutting edges with minimal heat-affected zones
4. Defense and Security Systems
MIL-standard compliant laser rangefinders and designators
Low probability of intercept (LPI) characteristics for covert operations
Enhanced battlefield visibility through atmospheric obscurants
Contact Details:
If you have any ideas, welcome to talk with us. No matter where our customers are and what our requirements are, we will follow our goal to supply high quality, low price, and best service for our customers.
Email: info@loshield.com; laser@loshield.com
Tel: 0086-18092277517
FAX : 86-29-81323155
WhatsApp：0086-18092277517
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