QCL LINEUP
ꢁDFB-CW Type
Quantum Cascade Lasers, using structures of SPC (Single Phonon-Continu-
um) depopulation and DFB (Distributed Feedback), emit CW (Continuous
Wave) mid-IR laser under room temperature.
By controlling the chip's operating temperature through the Peltier element in-
stalled in the HHL package, it is possible to tune the emission wavelength
without mode hopping while keeping longitudinal single mode operation.
HHL package
Side-mode
Tunable
Threshold
current
Operating temperature (QCL) (*1) Line width (*2)
Output power
suppression ratio
(SMSR)
Wavelength
Type No.
range (*3)
Typ.
Min.
Max.
Max.
0.2 cm-1 (*4)
Condition: K=2209 cm-1 (*5)
0.2 cm-1 (*4)
Condition: K=2190 cm-1 (*5)
0.2 cm-1 (*4)
Condition: K=1900 cm-1 (*5)
0.2 cm-1 (*4)
Condition: K=1631 cm-1 (*5)
0.2 cm-1 (*4)
Condition: K=1294 cm-1 (*5)
Min.
1.0 cm-1
Min.
Max.
Min.
+10 °C
+50 °C
20 mW
1.0 A
Condition: T
1.0 A
Condition: T
1.0 A
Condition: T
1.0 A
Condition: T
1.0 A
Condition: T
25 dB
=20 °C
25 dB
=20 °C
25 dB
=20 °C
25 dB
=20 °C
L12004-2209H-C
L12004-2190H-C
L12005-1900H-C
L12006-1631H-C
L12007-1294H-C
4.53 µm
4.57 µm
5.26 µm
6.13 µm
7.73 µm
op(qcl)
+10 °C
+10 °C
+10 °C
+10 °C
+50 °C
+50 °C
+50 °C
+50 °C
1.0 cm-1
1.0 cm-1
1.0 cm-1
1.0 cm-1
20 mW
20 mW
20 mW
20 mW
op(qcl)
op(qcl)
op(qcl)
25 dB
=20 °C
op(qcl)
(*1) This specifies the temperature range within which the target emission wavenumber (K) can be realized.
(*2) Full-width half maximum
(*3) This specifies the continuous tunable range (without mode hopping). The center wavenumber of the tuning range is the emission wavenumber (K).
(*4) The figures are limited by the resolution and signal/noise ratio of the measuring instruments used.
(*5) K: Emission wavenumber (cm-1)
ꢁ
Limited quantities of QCLs with emission wavelengths close to those specified above may be available occasionally.
Please contact a Hamamatsu sales office for information on available stock.
Characteristics examples
ꢀL12004-2209H-C
ꢀL12004-2190H-C
2215
4.515
4.519
4.523
4.527
4.531
4.535
4.539
2196
4.554
4.558
4.562
4.566
4.570
4.575
4.579
2213
2211
2209
2207
2205
2203
2194
2192
2190
2188
2186
2184
T
T
=20 °C
=30 °C
T
T
=20 °C
=30 °C
op(qcl)
op(qcl)
op(qcl)
op(qcl)
T
=40 °C
T
=40 °C
op(qcl)
op(qcl)
0.6
0.7
0.8
0.9
1.0
1.1
1.2
0.6
0.7
0.8
0.9
1.0
1.1
1.2
FORWARD CURRENT I (A)
FORWARD CURRENT I (A)
f
f
Parameter
Temperature coefficient
of wavenumber
Symbol Condition
Typical value
Parameter
Temperature coefficient
of wavenumber
Symbol Condition
Typical value
δK
δK
I
fixed
-0.18 cm-1/°C
δK
δK
I fixed
f
-0.18 cm-1/°C
T
f
T
Current coefficient
of wavenumber
Current coefficient
of wavenumber
T
fixed -0.015 cm-1/mA
T
fixed -0.015 cm-1/mA
op(qcl)
C
op(qcl)
C
ꢀL12005-1900H-C
ꢀL12006-1631H-C
1906
5.247
5.252
5.258
5.263
5.269
5.274
1637
6.109
6.116
6.124
6.131
6.139
6.146
1904
1902
1900
1898
1896
1894
1635
1633
1631
1629
1627
1625
T
T
=20 °C
=30 °C
op(qcl)
op(qcl)
T
T
T
=20 °C
=30 °C
op(qcl)
op(qcl)
op(qcl)
T
=40 °C
op(qcl)
=40 °C
5.280
1.1
6.154
1.1
0.6
0.6
0.7
0.8
0.9
1.0
0.5
0.6
0.7
0.8
0.9
1.0
FORWARD CURRENT I (A)
FORWARD CURRENT I (A)
f
f
Parameter
Temperature coefficient
of wavenumber
Symbol Condition
Typical value
Parameter
Temperature coefficient
of wavenumber
Symbol Condition
Typical value
δK
δK
I
fixed
-0.14 cm-1/°C
δK
δK
I fixed
f
-0.15 cm-1/°C
T
f
T
Current coefficient
of wavenumber
Current coefficient
of wavenumber
T
fixed -0.016 cm-1/mA
T
fixed -0.015 cm-1/mA
op(qcl)
C
op(qcl)
C
ꢀL12007-1294H-C
1300
7.692
7.704
7.716
7.728
7.740
7.752
1298
1296
1294
1292
1290
1288
T
T
T
=10 °C
=20 °C
=30 °C
op(qcl)
CLASS 3B LASER
Invisible Laser Radiation: Avoid Exposure to Beam
op(qcl)
op(qcl)
ꢀThe Laser emits invisible laser radiation.
The instrument which used the LASER, opera-
ted under ordinary conditions, is classified as
Class 3B according to the laser product classi-
fication code IEC 60825-1.
See IEC 60825-1, -14 for more details and
safety operation concerning the above counter-
measures.
INVISIBLE LASER RADIATION
7.764
0.8
AVOID EXPOSURE TO BEAM
0.2
0.3
0.4
0.5
0.6
0.7
MAXIMUM OUTPUT PULSE DURATION WAVELENGTH
CLASS 3B LASER PRODUCT IEC 60825-1:2007
FORWARD CURRENT I (A)
f
Parameter
Temperature coefficient
of wavenumber
Symbol Condition
Typical value
δK
δK
I
fixed
f
-0.1 cm-1/°C
T
CLASS 3B LASER PRODUCT
Warning label Explanatory label
Current coefficient
of wavenumber
T
fixed -0.01 cm-1/mA
op(qcl)
C
LGQF0707061AU
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