SKU: PRODUCT ID:89N-15043
89 North LDI-4 Laser Diode Illuminator 405/470/555/640 Microscope Illuminator
89 North LDI-4 Laser Diode Illuminator 405/470/555/640 Microscope Illuminator
Couldn't load pickup availability
- ✓ New, with the full manufacturer warranty
- ✓ Typical delivery in 1 to 3 weeks, depending on parts
- ✓ Installation, training and service by our engineers
- ✓ SAM.gov registered (CAGE 10ZU5). Purchase orders welcome
- ✓ Leasing and finance companies available
Questions? Call (877) 564-2767 or email sales@coastalmicroscopes.com
89 North LDI-4 Laser Diode Illuminator – 405/470/555/640 nm – Catalog #15043
The 89 North LDI-4 is a precision-engineered, four-wavelength laser diode illuminator optimized for high-speed and high-resolution fluorescence microscopy. With laser lines at 405, 470, 555, and 640 nm, this system supports a wide range of fluorophores for multicolor imaging applications. Featuring fast sub-10 μs modulation and feedback-regulated output stability, the LDI-4 is a powerful illumination solution for widefield, confocal, and live-cell imaging platforms.
Condition
New with Manufacturer Warranty
Key Features
- Laser Lines: 405 nm, 470 nm, 555 nm, 640 nm
- Output Power: Up to 1000 mW per laser line for bright and reliable excitation
- Output Stability: <2% variation, maintained via active feedback control
- Fast Modulation: <10 μs rise time supports rapid synchronization for dynamic imaging
- Control Interfaces: TTL, analog (0–5 V), and USB for flexible system integration
- Cooling: Compact air-cooled design for easy installation and efficient thermal performance
Applications
- Widefield and Spinning Disk Confocal Microscopy
- Live-Cell and Multicolor Imaging
- FRAP, FLIP, and Photobleaching Experiments
- Photoactivation and Photoconversion Studies
- Time-Lapse and High-Throughput Screening
Specifications
| Specification | Detail |
|---|---|
| Manufacturer | 89 North |
| Model | LDI-4 |
| Catalog Number | 15043 |
| Wavelengths | 405, 470, 555, 640 nm |
| Output Power | Up to 1000 mW per laser line |
| Output Stability | <2% variation |
| Modulation | <10 μs rise time |
| Control Options | TTL, Analog (0–5 V), USB |
| Cooling | Active air cooling |
| Dimensions | 318 mm x 234 mm x 146 mm (12.5” x 9.2” x 5.75”) |
| Weight | Approx. 9 lbs |
Additional Details
Additional Details
- Manufacturer: 89 North
- Model: LDI-4 Laser Diode Illuminator 405/470/555/640
- Catalog Number: 89N-15043
- Serial Number: N/A
- Condition: New

Why Coastal?
Confocal and research microscopes, configured to your application by people who ran imaging cores, then installed and serviced by our engineers.
We Buy Research Microscopes
Upgrading or closing a lab? Get an outright offer or credit toward your next system or service. Our engineers handle the de-install.
180-Day Warranty
Parts and labor on refurbished microscopes shipped in the US and Canada, with quality control documentation and application support. Refurbished confocals are guaranteed installable. New items carry the full manufacturer warranty.
Free Expert Consultation
Let us help you configure an imaging system for your application.