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Fiber Coupled Blue LED Light Source - Black-LED-460

The compact fiber-coupled high power Blue LED light source module at 460nm is an effective replacement of lasers and lamps in many applications, such as spectroscopy and fluorometry.

This member of the modular OptiBlocks family provides up to 22mW of CW power at fiber output. The LED driver supports external modulation, CW or chopping mode operation with preset frequency and duty cycle.

The external TTL input enables synchronous operation with various fiber optic spectrometers such as Ocean Optics in strobe mode or external triggering mode.

black led


  • High Power
  • Speckle free
  • Optional narrow filter
  • Compact and robust head: 2” x 2” x 2”
  • Reciprocal SMA, FC or ST fiber connection
  • Precisely adjustable power
  • TTL external / internal modulation
  • Long life (no lamp replacement required)
  • Rapid warm up time

Black-Led-460 Spectrum
Black-LED-460 Spectrum         

Replacement of:

  • Blue solid state lasers
  • Argon, Krypton and He-Cd gas lasers
  • Lamps


  • Fluorescence spectroscopy
  • Bioanalysis


Peak wavelength: 460 nm Typ.

Spectrum half width: 23 nm Typ.

Power Output:
Black-LED-460 power output is limited by the reciprocal fiber characteristics. Larger core and higher NA will increase maximum power output, and vice versa. The table below shows a few examples of the CW output power at different fibers:

Fiber brandFiber type*¹ NAFiber Core Diameter Output Power Typical*²
Toray PGR-FB1000 or Mitsubishi Rayon SH4001 POF0.51000 µm 22 mW
Toray PGR-FB750POF 0.5750 µm 13 mW
Thorlabs FT800UMT Silica High OH 0.39800 µm 13 mW
Thorlabs BFH48-600 Silica High OH   0.48    600 µm10 mW
 *1: POF - Polymer Optical Fiber. Fiber length ~1m.
 *2: The measurement done by Ophir Nova II power meter equipped with PD300-UV head.
 The wavelength was set at 460 nm. The values are for non filtered Black-LED-460.

 Optical output connector

 The Black-LED is available with SMA, FC or ST reciprocal fiber connector


 Black-LED head:

 50mm x 50mm x 50mm (W x H x L)

 Benchtop Black-LED Current Controller:

 BLCC-2  75mm x 40mm x 120mm (W x H x L) without key switch and other extrusions

 Driver power adaptor:

 60mm x 35mm x 100mm (W x H x L)

 Electrical Specifications:

 Benchtop Black-LED Current Controller:

 BLCC-2  Input: 24VDC 1A

 Power Adaptor:

 Input: 100-240VAC 1.0A 47-63Hz
 Output: 22-27V 1.1A 25Wmax