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M-D,T,Q-series BroadLighters. Benchtop Broadband Light Sources with Extended Bandwidth.
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Product description
Superlum M-D,T,Q-series BroadLighters, the second generation of our D,T,Q-series BroadLighter light sources, are high power,
extremely broadband, very low coherence AC powered benchtop light sources. The M-series BroadLighter is based on a combination of spectrally shifted
single mode fiber coupled superluminescent diode modules (SLDs). M-D-series BroadLighters have 2 SLDs inside, M-T-series BroadLighters have 3 SLDs combined,
and there are 4 SLDs in M-Q-series devices. The most wide-spectrum D and T versions have 3 dB spectrum width of up to 150-200 nm, and Q devices provide up to
300-nm-wide spectrum. Output power exceeds 15 mW in selected models.
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For customers looking for the most broadband and cost effective solutions, we recommend to pay special attention to our
UBB-series devices (ultra-broadband) which are characterized by a 6-dB spectrum width instead of
a 3-dB spectrum width used for all other light sources. Although the spectral flatness may be up to
4 dB in UBB-series light sources, they can be successfully used in a large number of
applications including Ultra High Resolution Spectral Domain OCT. The design goal was to cover the widest possible spectral range by
the minimum number of SLDs combined. In particular, the M-D-890-UBB-HP contains only two SLDs which, when combined,
provide a 6-dB bandwidth of 190 nm.
Most of models have two modifications, with and without optical isolators. Powerful ("HP") models with optical isolators
have "-I" in the model number and are intended for use in applications where optical feedback may affect SLD performance.
Features
- Extremely wide optical spectrum, up to 300 nm in selected models
- A few microns coherence length
- High output power, 15 mW and more in selected models
- Models with optical isolators
- Remote control through USB or by TTL
- Wide input range power supply unit (100-240 V AC)
- One year / 8000 hours of operation warranty
M-D-series BroadLighters: Optical Performance Parameters
Key parameters of standard models are listed in the table below. The optical spectrum and
the coherence function can be viewed as a web page (HTML) or downloaded in PDF format.
 – bell-shaped spectrum,  – multi-humped spectrum.
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| Model number |
Center wavelength (nm) |
Spectral width, FWHM (nm) |
Output power, SM (mW) |
Optical spectrum and coherence function |
| M-D-810-HP |
810 ± 10 |
90 |
100 |
10.0 |
12.0 |
HTML | PDF (51 KB)
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| M-D-840-HP |
840 ± 10 |
90 |
100 |
12.0 |
15.0 |
HTML | PDF (48 KB)
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| M-D-840-HP-I |
840 ± 10 |
90 |
100 |
9.0 |
10.0 |
HTML | PDF (46 KB)
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| M-D-880-MP |
880 ± 10 |
190 |
200 |
1.0 |
1.5 |
HTML | PDF (58 KB)
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| M-D-880-HP |
880 ± 10 |
90 |
100 |
8.0 |
10.0 |
HTML | PDF (49 KB)
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| M-D-880-HP-I |
880 ± 10 |
90 |
100 |
6.0 |
8.0 |
HTML | PDF (48 KB)
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| M-D-890-HP1 |
890 ± 10 |
140 |
150 |
5.0 |
6.0 |
HTML | PDF (45 KB)
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| M-D-890-UBB-HP |
890 ± 10 |
180 (6 dB) |
190 (6 dB) |
8.0 |
10.0 |
HTML | PDF (37 KB)
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| M-D-980-HP |
980 ± 10 |
180 |
200 |
4.0 |
6.0 |
HTML | PDF (52 KB)
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Note: Models having "-I" in the model number contain optical isolators to protect SLDs from optical feedback.
Optical feedback should not exceed -30 dB to ensure stable operation and long-life of HP-rated devices without isolators.
Please also note that feedback exceeding -25 dB may result in permanent damage of SLDs and their very fast degradation.
MP-rated models are sensitive to optical feedback similar to MP-rated SLDs of Superlum. The higher is the power,
the more sensitive to optical feedback is the SLD.
M-T- and M-Q-series BroadLighters: Optical Performance Parameters
Key parameters of standard models are listed in the table below. The optical spectrum and
the coherence function can be viewed as a web page (HTML) or downloaded in PDF format.
– bell-shaped spectrum, – multi-humped spectrum.
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| Model number |
Center wavelength (nm) |
Spectral width, FWHM (nm) |
Output power, SM (mW) |
Optical spectrum and coherence function |
| M-T-850-MP |
850 ± 10 |
155 |
165 |
5.0 |
6.0 |
HTML | PDF (55 KB)
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| M-T-850-HP |
850 ± 10 |
155 |
165 |
12.0 |
15.0 |
HTML | PDF (47 KB)
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| M-T-850-HP-I |
850 ± 10 |
155 |
165 |
8.0 |
10.0 |
HTML | PDF (43 KB)
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| M-T-860-HP |
860 ± 10 |
125 |
135 |
12.0 |
15.0 |
HTML | PDF (52 KB)
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| M-T-860-HP-I |
860 ± 10 |
125 |
135 |
8.0 |
10.0 |
HTML | PDF (52 KB)
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| M-Q-870-HP |
870 ± 10 |
190 |
200 |
5.0 |
7.0 |
HTML | PDF (58 KB)
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| M-T-870-HP |
875 ± 10 |
170 |
180 |
6.0 |
7.0 |
HTML | PDF (52 KB)
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| M-Q-920-HP |
920 ± 10 |
275 |
300 |
3.0 |
4.0 |
HTML | PDF (62 KB)
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Note: Models having "-I" in the model number contain optical isolators to protect SLDs from optical feedback.
Optical feedback should not exceed -30 dB to ensure stable operation and long-life of HP-rated devices without isolators.
Please also note that feedback exceeding -25 dB may result in permanent damage of SLDs and their very fast degradation.
MP-rated models are sensitive to optical feedback similar to MP-rated SLDs of Superlum. The higher is the power,
the more sensitive to optical feedback is the SLD.
Physical Specifications
- Overall dimensions (W × H × D): 251 × 112 × 192 mm (9.88 × 4.41 × 7.56 inches).
- Weight (max): 4 kg.
Electrical Power Specifications
- 100-240 V AC, 50/60 Hz, 40 VA MAX.
Product Customization Capabilities
Superlum offers product customization services. A number of the operating characteristics of the M-D,T,Q-series light sources may be modified to meet your specific requirements.
Laser Safety Measures
Most of M-D,T,Q Broadlighters are Class 3B laser products according to IEC/EN 60825-1:2014. All M-D,T,Q-series BroadLighter light sources are equipped by the master key control, remote interlock connection, visual/audible alarm, informational warning stickers, etc.
Technical Documentation
Download Technical Product Specification in PDF format (144 KB) .
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