4 Wavelength High-Power LED Source
| Color | Wavelength | Power |
|---|
| UV | 385 nm | 10 mW | | UV | 405 nm | 130 mW | | Royal Blue | 455 nm | 40 mW | | Blue | 470 nm | 25 mW | | Cyan | 505 nm | 20 mW | | Green | 530 nm | 15 mW | | Amber | 590 nm | 25 mW | | Orange | 617 nm | 30 mW | | Red | 627 nm | 40 mW | | Deep Red | 660 nm | 10 mW |
Features - 4-Wavelength Source
- Precisely Defined Spectral Range
- Fast Switching and Intensity Adjustments via LED Current Settings
- High Emission Stability and Reproducibility
- High Thermal and Mechanical Stability
- Rugged and Vibration Free: No Moving Parts
- Long Lifetime Light Source
- 54 Combinations of 10 LED Wavelengths (see table on the right)
- Optional Adapters for Olympus, Nikon, Zeiss and Leica
Microscope Lightports
The new LED4C Series 4-Wavelength LED Sources are ideal for application requiring up to four wavelengths of high-performance light. These light sources efficiently combine all of the beams into a single collimated emission. Together with the DC4100 4-Channel Driver, the LED4C forms a reliable, versatile light source that offers fast switching and accurate modulation of each individual LED. The source is vibration free, easy to operate, and offers a long lifetime (see the Specs tab for details). The LED4C Series source is available with 54 different preselected combinations of 10 LED wavelengths. Any combination of four wavelengths can be combined except for the pairings listed below. The output aperture of these LED sources is SM2 (2.035"-40) internally threaded. For Olympus, Nikon, Zeiss, and Leica microscopes, optional adapters are available that directly mount the 4-Wavelength Sources onto the microscope lightport (see SM2-Threaded Microscope Adapter). The LED4C contains four individual bare LEDs. These LEDs have high divergence and the light is guided through the system using mirrors. The output is collimated with an aspheric condenser lens. This setup inherently leads to a reduction in the measured output power from that of the bare LEDs. Thorlabs also offers single-channel collimated LEDs, which have higher power outputs due to the lack of the wavelength combining optics. The following LED wavelength combinations cannot be included in the same LED4C source: - 385 nm and 405 nm
- 455 nm and 470 nm
- 455 nm and 505 nm
- 505 nm and 530 nm
- 617 nm and 625 nm
- 625 nm and 660 nm
Compared to conventional, non-LED sources, these 4-wavelength sources offer many advantages such as higher signal-to-noise ratios due to narrow bandwidth emission, easy system integration, simple operation without maintenance cycles, and no active cooling requirements or thermal filtering due to minimal thermal loads. The operation wavelength and intensity can be set quickly, making them an ideal choice for microscopy applications where multiple wavelengths and short time constants are required.
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| Color | Wavelength | Center
Wavelength
(Min) | Center
Wavelength
(Max) | Wavelength
Stability | Power
Stability | Lifetime | Power |
|---|
| UV | 385 nm | 380 nm | 390 nm | ±0.1 nm | ±1.5% | >10,000 hours | 10 mW | | UV | 405 nm | 400 nm | 405 nm | ±0.1 nm | ±1.5% | >100,000 hours | 130 mW | | Royal Blue | 455 nm | 440 nm | 460 nm | ±0.1 nm | ±1.5% | >100,000 hours | 40 mW | | Blue | 470 nm | 460 nm | 490 nm | ±0.1 nm | ±1.5% | >100,000 hours | 25 mW | | Cyan | 505 nm | 490 nm | 520 nm | ±0.1 nm | ±1.5% | >100,000 hours | 20 mW | | Green | 530 nm | 520 nm | 550 nm | ±0.1 nm | ±1.5% | >100,000 hours | 15 mW | | Amber | 590 nm | 584.5 nm | 597 nm | ±0.1 nm | ±1.5% | >100,000 hours | 25 mW | | Orange | 617 nm | 613.5 nm | 620.5 nm | ±0.1 nm | ±1.5% | >100,000 hours | 30 mW | | Red | 627 nm | 620.5 nm | 645 nm | ±0.1 nm | ±1.5% | >100,000 hours | 40 mW | | Deep Red | 660 nm | 658 nm | 670 nm | ±0.1 nm | ±1.5% | >100,000 hours | 10 mW |
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Typical Emission Spectra of Mounted LEDs
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LED4C Controller Connector (14 Pin IEC 130-9 Male)| Pin | Description | Comment |
|---|
| A | LED1 Anode | | | C | LED1 Cathode | | | E | LED2 Anode | | | G | LED3 Anode | | | J | LED3 Cathode | | | L | LED4 Anode | | | M | LED1 1 Wire EEPROM I/O | Do Not Use | | N | DGNG | Do Not Use | | O | Not Connected | | | P | LED2 Cathode | | | R | Not Connected | | | S | Not Connected | | | T | Not Connected | | | U | LED4 Cathode | |
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Additional Microscopy Illumination Sources / Drivers
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4-Channels with Precise and Individual Current Adjustment
4-Channel High-Power LED Source
