R638D050-70x40x45-V2 Red Laser Module

Low noise 638nm laser delivering superior stability for flow cytometry, hematology analysis, and DNA sequencing applications

638nm
Visible Red
638nm

Key Features

Output Power 50 mW
Beam Quality M² < 1.3
Stability < 1% / 8hrs
Lifetime 5,000-10,000 hrs

Low Noise Performance

RMS Noise
Stability
Polarization

Top Applications

🔬
Flow Cytometry
🩸
Hematology
🧬
DNA Sequencing
💻
Semiconductor

Pricing Information

Quantity 1-10 $1,290
Quantity 11-50 $1,080
Quantity 51-100 $850
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Technical Specifications

Optical Specifications

Wavelength 635-641 nm (typ 638)
Output Power 0-50 mW (CW)
Power Stability < 1% RMS / 8 hrs
Noise (RMS) < 0.1% (10Hz-2MHz)
Beam Quality (M²) < 1.3
Beam Diameter 4.1 × 2.0 mm @ 300mm
Beam Divergence 0.3 × 0.5 mrad
Polarization Linear, > 20 dB
Bandwidth < 2 nm

Electrical & Environmental

Operating Voltage 12 VDC
Operating Current < 2 A
Power Type APC
Control Interface Master Computer Control
Operating Temp 15-40°C
Storage Temp -20 to 60°C
Humidity 10-90% RH
Dimensions 70 × 40 × 45 mm
Weight < 200 g

Beam Characteristics

Beam Height from Base 19 mm
Beam Alignment Off-axis < 2.5 mrad
Beam Pointing Stability < 5 μrad/°C
Polarization Orientation Vertical ±3°
Warm-up Time < 2 minutes
Output Power Mode CW
Housing Material Grey Anodized Aluminum
MTTF 5,000-10,000 hours @ 25°C

Applications

🔬

Flow Cytometry

Cell sorting, immunophenotyping, and particle analysis with excellent fluorophore excitation for red-excitable dyes.

🩸

Hematology Analysis

Blood cell counting, differentiation, and morphology analysis with superior signal-to-noise ratio for clinical diagnostics.

🧬

DNA Sequencing

Next-generation sequencing platforms utilizing red fluorophores, enabling high-throughput genomic analysis and detection.

💻

Semiconductor Testing

Wafer inspection, defect detection, and photolithography alignment with exceptional beam stability and low noise.

🔴

Fluorescence Microscopy

Excitation of red-shifted fluorophores like Cy5, Alexa Fluor 647, and mCherry in confocal and wide-field microscopy systems.

📊

Raman Spectroscopy

Chemical identification and material characterization with reduced fluorescence interference in biological samples.

Ultra-Low Noise Performance

< 0.1% RMS noise enables precise detection in sensitive applications

Customer Success

"A leading medical diagnostics company integrated our R638D050 modules into their hematology analyzers, achieving 30% improvement in cell differentiation accuracy and reducing maintenance intervals by 50% compared to traditional gas lasers. The exceptional low noise performance enabled detection of rare cell populations."

- Dr. Sarah Chen, Director of Engineering, BioAnalytical Systems

Features & Technology

Core Features

  • Ultra-low noise design (<0.1% RMS)
  • High power stability for continuous operation
  • Compact form factor (70×40×45mm)
  • Direct 12V DC operation - no driver required
  • Linear polarization with >20dB extinction ratio
  • Automatic power control (APC) system
  • Master computer control interface
  • Low beam divergence (0.3×0.5 mrad)
  • Excellent beam quality (M² < 1.3)
  • Fast warm-up time (<2 minutes)
  • Grey anodized aluminum housing
  • 8-hole direct plug connection

Performance Benefits

  • Superior signal-to-noise ratio
  • Consistent power output over time
  • Minimal thermal drift
  • Reduced measurement uncertainty
  • Extended calibration intervals
  • Compatible with standard optics

Design Advantages

  • Solid-state reliability
  • No maintenance required
  • Vibration resistant design
  • Wide operating temperature range
  • Low power consumption
  • RoHS compliant construction

Advanced Laser Technology

The R638D050 utilizes advanced semiconductor laser technology optimized for bioanalytical applications. The 638nm wavelength is specifically chosen for optimal excitation of red fluorophores while minimizing autofluorescence from biological samples, making it ideal for life science instrumentation.

Our proprietary low-noise driver circuit and automatic power control system ensure exceptional stability over extended periods, critical for quantitative measurements in flow cytometry and hematology analysis. The compact design allows easy integration into existing optical systems.

⚠️ Safety Information

Class 3B laser product. Avoid direct eye exposure. Use appropriate laser safety eyewear (OD 3+ @ 638nm). Follow all safety protocols per IEC 60825-1 and 21 CFR 1040.10.

Resources & Integration

💿 Software & Drivers

Available upon request.

🔧 Technical Resources

Available upon request.

System Integration

Mechanical Interface
  • 4 × M3.2 mounting holes
  • 19mm beam height from base
  • Compact 70×40×45mm footprint
  • Anodized aluminum housing
  • Standard optical bench compatible
Electrical Interface
  • 8-hole direct plug connector
  • 12V DC power input
  • Master computer control
  • APC power regulation
  • Terminal customization available
OEM Integration Support

Comprehensive OEM support including custom communication protocols, specialized mounting configurations, and tailored power specifications. Our engineering team provides integration assistance for flow cytometry, hematology, and semiconductor inspection equipment manufacturers.

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