1742nm DM LASER
EP1742-DM-B
ACCURATE HCL MONITORING
Eblana Photonics EP1742-DM-B laser, available in the range from 1735-1770nm, enables sensitive detection of Hydrogen Chloride (HCl). Eblana's Discrete-Mode (DM) technology enables mode-hop free tunability and excellent SMSR, while ensuring cost effectiveness.
ELECTRO-OPTICAL CHARACTERISTICS* (TSUB = 25◦ C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Available Wavelength Range
λ
1735
1742.2
1770
nm
Wavelength Tolerance
λspec
λ -1
λ
λ +1
nm
Side Mode Supression Ratio
SMSR
30
40
-
dB
Threshold Current
Ith
-
20
25
mA
Output Power in fiber
Pf
3
5
-
mW
Optical linewidth
∆f
-
-
2
MHz
Temperature Tuning Coefficient
Tλ
0.07
0.1
-
nm/◦C
Current Tuning Coefficient
Iλ
10
15
-
pm/mA
Slope Efficiency
SE
0.05
0.08
-
mW/mA
Thermistor Resistance
RT
9.5
10
10.5
kΩ
Thermistor Temp. Coefficient
C
-
-4.4
-
%/◦C
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
MIN
MAX
UNIT
Forward Current
If
-
140
mA
Forward Voltage
Vf
-
2
V
TEC Current
ITEC
-
1.2
A
Reverse Voltage LD
Vrev
-
2
V
Case Temperature∗
TCase
-20
65
◦C
Chip Submount Temperature
TSub
0
50
◦C
Storage Temperature
Tstorage
-40
85
◦C
∗For Tsub < 25◦C, Max Case Temperature should be derated to TCase,Max =Tsub + 40◦C
PACKAGING
The EP1742-DM-B product series is offered in a 14-pin Butterfly package - Inquire for other packaging options. The standard package pinout is shown below, variations may be requested. mPD not included as standard.
商品属性 [波长] 1742.2nm ,1735nm,1749nm [封装方式] 14-Pin Butterfly, TO39,DX-1 Module [功率] 4mW