The LDI-4 is a multiline, solid-state laser illuminator offering 4 laser lines across the visible with powers up to 1W. The unit offers feedback controlled output stability and up to a 100:1 linear dynamic range. LDI-4 gets the job done with the same great performance found in earlier models.
LDI-4 Laser Diode Illuminator
The LDI-4 laser diode illuminator is a user inspired version of the original LDI-7. Many researchers were asking for a laser launch that covered only the 4 basic lines: DAPI, FITC, TRITC, Cy5. 89 North listened and we responded. The LDI-4 has only the lines you asked for. While we reduced the number of lines inside the box, we made no compromises on the quality and performance you’ve come to expect from 89 North. This unit is also available with a 488nm laser for FITC/GFP and with a 577nm laser for TRITC/mCherry…or both!
see technical product data sheet
| High output power | Shorter exposures Faster imaging Faster activation times in optogenetics and photoactivation experiments Faster bleaching times in FRAP experiments |
| Feedback controlled optical stability | Quantitative imaging, ideally suited for ratiometric imaging More repeatable optogenetics experiments |
| Up to 100:1 linear dynamic range | Ability to turn power down when needed and maintain stability and quantitative imaging |
| 4 laser lines across the spectrum | Covers most of the standard fluorescence probes |
| No user alignment | Easy to use and maintain |
| TTL and Analog control | No need for software specific drivers |
- Spinning Disk Confocal Illumination
- Photoactivation/Photoconversion/FRAP
- Optogenetics
- Whole Animal Imaging
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The LDI is a multiline, solid-state laser illuminator offering up to 1000mW of output power via a multimode fiber at the price of a low power LED light engine. With feedback-controlled output stability and up to a 100:1 linear dynamic range, the LDI is the ideal light source for a wide range of applications including spinning disk confocal microscopy, structured illumination microscopy, FRAP, photoactivation / photoconversion, and PALM/STORM.
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