1654nm DM LASER
EP1654-DM-B
ADVANCED METHANE SENSING
Eblana Photonics EP1654-DM-B laser diode, available in a range from 1640 - 1670nm, is specifically designed for sensitive detection of Methane. Eblana's patented Discrete-Mode (DM) technology enables mode-hop free tuning and excellent SMSR performance, all at a highly competitive price.
ELECTRO-OPTICAL CHARACTERISTICS* (TSUB = 25◦ C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Available Wavelength Range
λ
1640
1653.7
1673
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
6
-
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
0.1
-
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
-
120
mA
Forward Voltage
Vf
-
2
V
TEC Current
ITEC
-
1.2
A
Reverse Voltage LD
Vr
-
2
V
Reverse Voltage PD
Vrev
-
20
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 EP1654-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.
商品属性 [波长] 1653.7nm,1650.9nm,1645.5nm [封装方式] 14-Pin Butterfly , TO39 ,DX-1 Module [功率] 6mW