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Filters for Color-Selective Light Engines

Lumencor’s AURA, RETRA, SPECTRA and SPECTRA X Light Engines incorporate bandpass filters associated with each light output channel. These filters provide the capacity to refine, adjust, and tune the light source outputs to meet experimental requirements. For AURA, RETRA and SPECTRA Light Engines, the filters are installed internally and are not user accessible. After-sales changes in the installed filter configuration will require a return for factory service. For SPECTRA X Light Engines, filters are user-exchangeable. The filters are installed in removable paddles, allowing users complete flexibility in terms of purchasing and using filters in addition to the initially installed set. One filter is applied to each solid state-light source (violet, blue, cyan, teal, green+yellow and red). Provision of both a green and a yellow filter enables selection of either 520-570 nm OR 570-600 nm wavelength ranges from the broad spectral distribution generated by Lumencor’s proprietary luminescent light pipe source. Near-IR output is a configuration option for the SPECTRA X that requires substitution of either the teal or red source. In the table below, bandpass specifications for Lumencor standard filters are listed, together with download links to transmission spectral data for each filter. Typical output power values for SPECTRA X Light engines, measured at the distal end of a 3 mm diameter liquid light guide, are also listed.

CWL/FWHM [1]Output power (mW)File

360/28 [2]

280

Download(opens in new window)

375/30 [2]

500

Download(opens in new window)

377/54

245

Download(opens in new window)

390/22

225

Download(opens in new window)

395/25

315

Download(opens in new window)

434/21

285

Download(opens in new window)

438/29

475

Download(opens in new window)

440/20

370

Download(opens in new window)

470/24

200

Download(opens in new window)

475/28

225

Download(opens in new window)

485/25

135

Download(opens in new window)

510/25

65

Download(opens in new window)

511/16

50

Download(opens in new window)

513/22

60

Download(opens in new window)

542/33

570

Download(opens in new window)

550/15

320

Download(opens in new window)

555/28

500

Download(opens in new window)

560/32

620

Download(opens in new window)

575/25

405

Download(opens in new window)

575/35

515

Download(opens in new window)

585/35

485

Download(opens in new window)

631/28

245

Download(opens in new window)

635/22

220

Download(opens in new window)

640/30

230

Download(opens in new window)

648/20

150

Download(opens in new window)

730/40 [3]

180

Download(opens in new window)

740/20 [3]

80

Download(opens in new window)

[1] CWL/FWHM = Center Wavelength/Full-width at half maximum transmission in nanometers.

[2] Filter not compatible with SPECTRA X light engines. Output power quoted for AURA light engine with 3 mm liquid light guide.

[3] Requires SPECTRA X with near-IR source option.