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Part NO. : | DCFBG-series |
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895nm Laser Diode
Description
The IDP895DBR Series of high-power
edge-emitting lasers are based on Idealphotonics’s advanced single-frequency
laser technology. It provides a diffraction limited, single lateral and
longitudinal mode beam.
Facets are passivated
for high-power reliability. 895 nm laser diodes are used in atomic spectroscopy
for cesium based applications. It is
certified to be resonant with the Cs D1 line.
Feathure
Available in several package styles
Pulsed operation for spectral stability at short pulse lengths
High power for CW applications
High Slope Efficiency
Technology
DBR Single-Frequency Laser Chip
AlGaAs QW Active Layer
Epi designed for high reliability
Specification
Absolute Maximum Rating
Parameter |
Symbol |
Unit |
Min |
Max |
Storage Temperature |
TSTG |
°C |
0 |
80 |
Operating Temperature |
TOP |
°C |
5.0 |
70 |
CW Laser Forward Current, T=Top |
IF |
mA |
- |
200** |
Pulsed Laser Forward Current, T=25°C, |
IF |
A |
- |
0.5 |
PW=300 ns, DC=10% |
||||
Laser Reverse Voltage |
VR |
V |
- |
0.0 |
Photodiode Forward Current 1/2/ |
IP |
mA |
- |
5.0 |
Photodiode Reverse Voltage 1/2/ |
VR |
V |
- |
20.0 |
Photodiode Dark Current, VR=10V, LD IF=0, 1/2/ |
ID |
nA |
- |
50 |
TEC Current 1/2/ |
ITEC |
A |
-2.5 |
2.5 |
TEC Voltage 1/2/ |
VTEC |
V |
-6.0 |
6.0 |
Thermistor Current 1/2/ |
ITHRM |
mA |
- |
1.0 |
Thermistor Voltage 1/2/ |
VTHRM |
V |
- |
10 |
ESD (HBM) |
- |
V |
- |
500 |
External Back Reflection |
- |
dB |
- |
-14 |
Lead Soldering |
- |
°C |
- |
260 |
Fiber Pull Force 1/ |
- |
N |
- |
5.0 |
Fiber Bend Radius 1/ |
- |
mm |
- |
35 |
**1/ Butterfly package
2/ TO8 package
**Do not exceed drive current or operating power of supplied LIV
CW Characteristics at TC =25°Cunless otherwise specified
Parameter |
Symbol |
Unit |
Min |
Typ |
Max |
Center Wavelength |
λc |
nm |
893 |
895 |
897 |
Optical Output Power @ LIV current |
Po |
mW |
40-280 |
||
Slope Efficiency, 1/ |
ηd |
W/A |
0.3 |
0.36 |
|
Slope Efficiency |
ηd |
W/A |
0.6 |
0.72 |
- |
Threshold Current |
Ith |
mA |
- |
40 |
50 |
Laser Series Resistance |
RS |
Ω |
- |
2.5 |
3.5 |
Laser Forward Voltage |
VF |
V |
- |
2.0 |
2.5 |
Thermistor Resistance @ |
RT |
KΩ |
- |
10 |
- |
Photodiode Dark Current, VR=10V, |
ID |
nA |
- |
- |
50 |
Laser Line Width |
∆v |
MHz |
- |
0.5 |
1.0 |
Beam Divergence @ FWHM |
θװ X θ┴ |
º |
- |
6 X 32 |
8 X 34 |
Side Mode Suppression |
SMSR |
dB |
-30 |
- |
- |
Polarization Extinction |
PER |
dB |
-16 |
-19 |
- |
Laser Polarization |
|
|
|
TE |
|
Mode Structure |
|
|
Fundamental Mode |
1/ Butterfly
package 2/ TO-8 package
Handling Precautions
These devices are sensitive to ESD. When
handling the module, grounded work area and wrist strap must be used. Always
store in an antistatic container with all leads shorted together.
Package
TO8 |
Butterfly |
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