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785nm high-power wide spectrum SLD modules
Category: SLD  Publish Time: 2014-07-30 09:21 

785nm high-power wide spectrum SLD modules
Price : ＄0.00
Delivery Fee : ＄0.00
Quantity :
 Part NO. :  DCFBG-series
 Datasheet :  
 Availability :  

785nm high-power wide spectrum SLD modules

Feathure 
3 power categories: an output power of up to 25mW ex SM fiber and a spectral width (FWHM) of 50 nm
Short coherence length
Negligible residual Fabry-Perot modulation depth
Application
- fiberoptic sensors
- Bragg grating sensors
- optical coherence tomography
- optical measurements
Packages
fiber coupled – Butterfly, DIL
free space – TOW
Additional & customized
-    PD monitors
-    FC/APC terminated pigtails
-    SM or PM pigtails (polarized or pseudo-depolarized output emission ex PM fiber)
Specification

Parameter

Category

Min

Typ

Max

Output power, SM fiber pigtail, SLD-331-HP, mW

HP1

5

7.5

-

HP2

10

15

-

HP3

20

25

-

Free space output power, in a cone N.A=0.71*, mW

HP1

10

15

-

HP2

20

30

-

HP3

40

50

-

 

Forward current †, mA

HP1

-

190

230

HP2

-

260

300

HP3

-

350

400

Forward voltage, V

All

-

-

2.6

Central wavelength, nm

All

775

785

795

Spectral width (FWHM), nm

All

40

50

-

Residual spectral modulation depth, %

All

-

2.0

5.0

Secondary coherence subpeaks

(Reflectivity), dB (10 log)

 

All

 

-

 

-25

 

-

Spectral flatness ‡, dB

All

-

-

2.0

Slow / fast polarization ratio** (PM-polarized modules), dB

 

All

 

-

 

7.0

 

-

Operating temperature ††, °C

 

-55

-

+80

Cooler current , A

 

-

-

1.2

Cooler voltage, V

 

-

-

3.5

* TOW packaged SLDs;
† current is specially adjusted to get highest output power with equal intensity of spectral lobes; different for different modules;
‡ Spectral Flatness parameter describes spectral intensity dropout between spectral lobes;
** Pseudo-depolarized versions (light is launched into the fiber with its polarization oriented at 45° to the birefringent axes) are available upon request;
†† Butterfly packaged SLDs.

PERFORMANCE EXAMPLES


Ordering information
SLD-33(a)-(b)-(c)-(d)-(e),
where: (a) – 0 (free space) or 1 (fiber pigtailed);
(b) – power category HP1, HP2 or HP3; (c) – package type;
(d) – SM or PM (fiber coupled modules); (e) – PD (if PD monitor is required).
Example: SLD-331-HP1-DIL-SM-PD.
A maximum feedback of 10−3 is allowed to run HP SLDs safely at full power.

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