Advanced 1.54μm Er:Glass Laser Solutions

Precision-engineered eye-safe laser transceivers, optical crystals, and custom components for defense, surveillance, and industrial applications.

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Eye-Safe Technology

1.54μm wavelength ensures safe operation for personnel and compliance with laser safety standards.

Custom Engineering

Tailored optical materials and laser modules for specialized industrial and defense applications.

Industrial Reliability

Robust, compact designs built for harsh environments and long-term performance.

About DIGCO® Inc.

As a knowledge-based division of a union of companies, research institutes, and colleges, DIGCO® Inc. (formerly Darkhorse Industrial Group Co., Limited) specializes in the in-house growing and supply of advanced optical materials.

We are a leading provider of erbium-doped phosphate glass rods, slabs, and custom-shaped laser active elements for diode-pumped solid-state (DPSS) lasers operating at 1.54μm. Our products are designed for high reliability in laser transmitters used in rangefinding, anti-drone systems, surveillance, and industrial sensing.

With a strong focus on innovation and quality, DIGCO® delivers cutting-edge optical components trusted by defense, aerospace, and high-tech industrial partners worldwide.

Our Product Range

High-performance laser transceivers, optical crystals, and custom components engineered for precision and durability.

1535LRF10K10 Laser Rangefinder

Compact, robust transceiver module for long-range eye-safe laser rangefinding up to 10km.

1.54μm wavelength
Eye-safe operation
High pulse energy

1535LRF6K10 Laser Rangefinder

High-performance transceiver for mid-range applications up to 6km with excellent beam quality.

Compact design
DPSS technology
Low power consumption

1535LRF4K10 Laser Rangefinder

Reliable rangefinder transceiver for 4km range with ruggedized housing for field deployment.

Wide temperature range
Integrated optics
Fast response time

1535LRF3K10F Micro Rangefinder

Ultra-compact micro rangefinder transceiver module for integration into small platforms.

Miniaturized design
Low SWaP (Size, Weight, Power)
Ideal for UAVs and drones

1535WRF01K10 Anti-Drone Laser

Wide-beam laser rangefinder transceiver designed for counter-UAS detection and tracking.

Wide field of view
Drone detection & ranging
Integration-ready

Er³⁺,Yb³⁺:Phosphate Glass

Laser active elements for 1.54μm DPSS lasers with high efficiency and thermal stability.

Custom shapes & sizes
High doping uniformity
Low loss, high gain

Co:Spinel Q-Switch Crystals

Passive Q-switching crystals (Co²⁺:MgAl₂O₄) for compact, reliable pulsed laser systems.

High damage threshold
Long lifetime
Ideal for microchip lasers

Custom Optical Components

Tailored prisms, filters, illuminators, and diode pumping modules for specialized needs.

Interference filters (1535nm/1064nm)
Laser diode stacks
Full customization support

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Why Choose DIGCO®?

Engineered for performance, reliability, and innovation in every component.

In-House Crystal Growth

Full control over material quality and consistency from raw material to finished product.

Eye-Safe 1.54μm Lasers

Safe for operators and compliant with international laser safety standards (IEC 60825).

High Precision & Range

Accurate ranging up to 10km with excellent beam quality and signal-to-noise ratio.

Custom Solutions

Tailored designs for integration into handheld, vehicle-mounted, or UAV-based systems.

Frequently Asked Questions

What is the advantage of 1.54μm lasers?

The 1.54μm wavelength is considered "eye-safe" because it is strongly absorbed by the eye's vitreous humor before reaching the retina, allowing for higher permissible exposure limits and safer operation in populated or sensitive environments.

Can you customize laser rangefinder modules?

Yes, DIGCO® offers full customization of laser rangefinder transceivers, including range, beam divergence, pulse repetition rate, packaging, and integration interfaces.

What types of optical crystals do you grow?

We specialize in Er³⁺,Yb³⁺,Cr³⁺:Phosphate glass, Er³⁺:YAG, Co:spinel, Cr:YAG, and LiNbO₃ crystals for laser gain, Q-switching, and electro-optic applications.

Are your products suitable for anti-drone systems?

Yes, our 1535WRF01K10 wide-beam laser rangefinder is specifically designed for counter-UAS applications, providing reliable detection and ranging of small drones.

Get in Touch

For inquiries, datasheets, or custom project discussions, visit our official website to connect with our team.

Contact Person

John Jay Woo

Phone

+86-13982280204

Email

digco(at)digco-techs(dot)com

Address

No.2339, South Section of Tianfu Avenue, Tianfu New Area, Chengdu 610213, China

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