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Application Laser

445nm 520nm Square

A forensic area laser module for nondestructive, rapid, large-area trace evidence search and imaging.

It combines high-power 445nm/520nm dual-wavelength lasers with a light-guide beam expander to deliver an ultra-large, highly uniform square excitation spot.

Product Overview

As a professional manufacturer and dedicated supplier of advanced forensic optical solutions, we engineer the Forensic Area Laser for rapid, nondestructive, and large-area trace evidence detection and imaging. Combining high-power dual-wavelength laser technology with an advanced light-guide beam expansion system, this forensic laser delivers ultra-large, highly uniform square illumination for professional crime scene investigation and forensic analysis.

  • Dual-wavelength 445nm blue and 520nm green laser configuration

  • Ultra-large square beam projection up to 400 × 400 cm at 1 meter

  • High-uniformity illumination for accurate trace evidence imaging

  • Adjustable high-power laser output for diverse forensic environments

  • Light guide and beam expander architecture for flexible operation

Product Description

The Forensic Area Laser is a high-performance forensic illumination system specifically designed for rapid, nondestructive, and large-area trace evidence search and imaging applications. Utilizing high-power 445nm blue and 520nm green laser sources combined with an advanced light-guide beam expansion system, the device generates an ultra-large and highly uniform square excitation field capable of revealing latent forensic evidence with exceptional clarity.

Engineered for professional forensic investigation environments, this system enables efficient examination of large surfaces while maintaining consistent illumination uniformity across the entire scanning area. The square beam profile significantly improves evidence visualization efficiency compared with traditional point or circular beam systems, reducing scanning time during complex crime scene investigations.

The integrated light guide and beam expander architecture provides flexible deployment capability while maintaining stable optical output and excellent beam consistency. With adjustable laser power output, investigators can optimize illumination intensity according to environmental conditions and evidence sensitivity requirements.

Designed for integration into advanced forensic imaging workflows, the system supports rapid operational response, stable continuous performance, and precise illumination control, making it an ideal solution for forensic laboratories, law enforcement agencies, and professional trace evidence investigation teams.

Product Specifications

Parameter

Specification

Product Type

Forensic Area Laser

Laser Configuration

445nm Blue Laser + 520nm Green Laser

445nm Blue Laser Power

≥12W Adjustable

520nm Green Laser Power

≥8W Adjustable

Light Output Method

Light Guide + Beam Expander

Beam Profile

Square Beam

Spot Size

400 × 400 cm at 1m from exit

Beam Uniformity

≥90%

Light Guide Length

1.3 m (Customizable)

Light Guide Mounting

Plug-in Type

Input Voltage

24-30V

Current Analog Input

0-5V Corresponding to 0-Max Current

Current Feedback Output

0-2.5V Corresponding to 0-Max Current

Rise/Fall Time

1ms; Microsecond-level edges

Current Temperature Drift

10ppm

Power Supply Efficiency

95%

Key Features & Highlights

This forensic area laser system is engineered to provide high-uniformity large-area illumination, stable optical performance, and flexible deployment capability for modern forensic investigation workflows.

Dual-Wavelength Forensic Illumination

Combines high-power 445nm blue and 520nm green laser sources to support efficient trace evidence visualization and forensic imaging applications.

Ultra-Large Square Beam Projection

Generates a highly uniform square excitation area up to 400 × 400 cm at 1 meter, significantly improving large-area scanning efficiency.

High Illumination Uniformity

The advanced beam expansion system achieves illumination uniformity of ≥90%, reducing uneven excitation and improving imaging consistency.

Adjustable High-Power Output

Independent adjustable laser power output enables investigators to optimize illumination intensity for different forensic environments and evidence conditions.

Flexible Optical Delivery

The light guide and plug-in beam expansion architecture provide flexible operational positioning and convenient deployment during investigations.

Optical Performance & Precision

Accurate and stable optical performance is essential for professional forensic imaging and trace evidence detection. This system is engineered to deliver consistent excitation quality across large scanning areas.

High-Power Dual Laser System

The 445nm laser delivers adjustable power up to ≥12W, while the 520nm laser provides adjustable output up to ≥8W for strong excitation capability.

Uniform Square Beam Technology

Unlike conventional circular beam systems, the square beam profile improves area coverage efficiency and scanning consistency.

Large-Area Illumination Capability

The expanded beam can illuminate an ultra-large 400 × 400 cm area at a distance of 1 meter from the output exit.

Stable Optical Output

Precision optical control maintains consistent excitation intensity and uniformity during continuous operation.

Beam Expansion & Light Guide System

The advanced light-guide beam expander system is one of the core technologies of this forensic laser platform, enabling flexible illumination positioning and large-area optical expansion.

Light Guide + Beam Expander Architecture

The integrated optical structure combines flexible light delivery with high-efficiency beam shaping technology.

Plug-In Type Light Guide Mounting

The plug-in mounting design allows fast installation, replacement, and maintenance of the light guide system.

Customizable Light Guide Length

Standard light guide length is 1.3 meters, with customization options available for specialized operational requirements.

Enhanced Scanning Flexibility

Flexible beam delivery improves accessibility during complex forensic examination procedures.

Electrical Performance & Control

The forensic laser system is engineered with stable electrical driving technology to ensure reliable high-power operation and precise illumination control.

Wide Input Voltage Range

Supports stable operation within a 24-30V input voltage range.

Analog Current Control

The 0-5V analog current input enables precise laser output adjustment and system integration capability.

Real-Time Current Feedback

0-2.5V current feedback output supports system monitoring and operational diagnostics.

Fast Response Performance

Rise and fall times of approximately 1ms with microsecond-level edge response improve dynamic operational control.

High Power Efficiency

The optimized power architecture achieves up to 95% power supply efficiency for improved energy utilization.

Operational Reliability

Professional forensic environments require stable, continuous, and reliable optical operation. This system is designed for dependable long-term performance in demanding applications.

Low Temperature Drift

Current temperature drift is controlled to approximately 10ppm, helping maintain stable output consistency.

Stable Continuous Operation

Optimized electrical and optical systems support reliable long-duration forensic investigation workflows.

Industrial-Grade Engineering

The system architecture is designed for repeated professional use in forensic laboratories and field investigation environments.

Consistent Illumination Quality

High optical uniformity and stable beam expansion improve evidence imaging consistency and repeatability.

Industry Applications

The Forensic Area Laser is designed for professional forensic and investigative applications requiring large-area, high-uniformity optical excitation.

Trace Evidence Detection

Suitable for rapid nondestructive search of latent forensic evidence across large surfaces.

Forensic Imaging

Provides stable excitation illumination for forensic photography and evidence imaging systems.

Crime Scene Investigation

Improves large-area scanning efficiency during field investigation and evidence collection procedures.

Laboratory Examination

Supports forensic laboratory analysis requiring stable optical excitation and imaging consistency.

Professional Investigation Systems

Can be integrated into advanced forensic optical inspection and imaging platforms.

Compliance & Quality Assurance

As an experienced forensic laser manufacturer and supplier, we implement strict optical testing and production quality control procedures to ensure stable performance and reliable operation.

Precision Optical Calibration

Each system undergoes beam uniformity, power output, and optical alignment verification before shipment.

Stable Manufacturing Standards

Strict production processes ensure consistent optical and electrical performance across manufacturing batches.

OEM & Integration Support

Professional engineering assistance is available for customized forensic system integration projects.

Reliable Production Capacity

Efficient manufacturing systems ensure dependable delivery schedules and stable product supply capability.

Why Choose Us

Partnering directly with a professional forensic laser manufacturer provides stable product quality, advanced customization capability, and long-term technical support.

Direct Manufacturer Supply

Competitive factory pricing with reliable production management and quality assurance.

Advanced Optical Engineering

Extensive experience in high-power laser systems and forensic illumination technology.

Flexible Customization Capability

Support for customized optical configurations, beam delivery systems, and integration requirements.

Professional Technical Support

Experienced engineering team available for deployment assistance, integration support, and technical consultation.

Frequently Asked Questions (FAQ)

What wavelengths does the forensic laser support?

The system integrates dual-wavelength 445nm blue laser and 520nm green laser sources.

What is the maximum illumination area?

The square beam can illuminate an area up to 400 × 400 cm at a distance of 1 meter from the output exit.

Is the laser power adjustable?

Yes. The 445nm laser supports adjustable output up to ≥12W, and the 520nm laser supports adjustable output up to ≥8W.

What type of beam profile does the system generate?

The system generates a highly uniform square beam for efficient large-area forensic scanning.

Can the light guide length be customized?

Yes. The standard light guide length is 1.3 meters, and customized lengths are available upon request.

What applications is this forensic laser suitable for?

Typical applications include trace evidence detection, forensic imaging, crime scene investigation, and forensic laboratory analysis.

Parameter

Specification

Output Spectrum

445nm Blue Laser, 520nm Green Laser

445nm Blue Power

≥12W, adjustable

520nm Green Power

≥8W, adjustable

Light Output Method

Light guide + beam expander

Output Beam Profile

Square beam, spot size 400 × 400 cm at 1m from exit

Uniformity

≥90%

Light Guide Length

1.3 m (customizable)

Light Guide Mounting

Plug-in type

Input Voltage

24-30V

Current Analog Input

0-5V corresponding to 0-Max current

Current Feedback Output

0-2.5V corresponding to 0-Max current

Rise/Fall Time

<1ms; microsecond-level edges

Current Temperature Drift

<10ppm

Power Supply Efficiency

>95%

Laser Effect

Note:

Get a quote for standard products or a tailored solution. Reach out to our engineering team for:

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