1278nm DM LASER
EP1278-DM-B
PRECISION HF SENSING
Eblana Photonics EP1278-DM-B laser diode, available at a range of wavelengths from 1260 - 1288nm, is designed specifically for detection of Hydrogen Flouride. Eblana's Discrete-Mode (DM) technology enables cost effectiveness with mode-hop free tunability and excellent SMSR.
ELECTRO-OPTICAL CHARACTERISTICS* (TSUB = 25◦ C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Available Wavelength Range
λ
1260
1278
1288
nm
Wavelength Tolerance
λspec
λ -1
λ
λ +1
nm
Side Mode Supression Ratio
SMSR
30
40
-
dB
Threshold Current
Ith
-
15
20
mA
Output Power in fiber
Pf
5
8
12
mW
Optical linewidth
∆f
-
-
2
MHz
Temperature Tuning Coefficient
Tλ
0.07
0.1
-
nm/◦C
Current Tuning Coefficient
Iλ
0.01
0.015
-
nm/mA
Slope Efficiency
SE
0.1
0.15
-
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 EP1278-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 [封装方式] 14-Pin Butterfly, TO39, DX-1 Module [波长] 1268 nm, 1273 nm, 1278 nm, 1290 nm [功率] 14mW