BROAD AREA LASER
GaAs Semiconductor Laser Diode
Single Emitter Structure
General Product Information
Product
905 nm Broad Area Laser (Dual Emitter)
for Pulse Mode Operation
sealed TO-18 Housing (MIL qualified)
Application
Sensing
Metrology
Absolute Maximum Ratings
Symbol
Unit
min
typ
max
Measurement Conditions / Comments
Storage Temperature
TS
°C
-45
90
Every condition of the Absolute Maximum Ratings has to be kept during operation
Operational Temperature at Case
TC
°C
-45
90
Peak Current
IF Peak
A
80
see Pulse Mode Conditions
Reverse Voltage
VR
V
1
Peak Output Power
Popt Peak
W
65
f/1.7
Forward Voltage at Peak
VF
V
15
see Pulse Mode Conditions
Recommended Operational Conditions (Pulse Mode)
Symbol
Unit
min
typ
max
Measurement Conditions / Comments
Operational Temperature at Case
TC
°C
-40
80
Forward Current
IF Peak
A
72
under max. Pulse Mode Conditions
Output Power
Popt Peak
W
56
f/1.7
Characteristics at Tamb 25 °C, Pulse Mode, Begin Of Life
Parameter
Symbol
Unit
min
typ
max
Measurement Conditions / Comments
Center Wavelength
λC
nm
850
905
920
Spectral Width (FWHM)
∆λ
nm
10
Temperature Coefficient of Wavelength
dλ / dT
nm / K
0.3
Output Power
Pave
mW
30
Peak Output Power @ IF = 78A
Popt Peak
W
50
f/1.7, under max.Pulse Mode Conditions
Threshold Current
Ith
A
3.0
under Pulse Mode Conditions
Operational Current @ Popt Peak = 50 W
Iop
A
70
78
under max. Pulse Mode Conditions
Characteristics at Tamb 25 °C, Pulse Mode, Begin Of Life
Parameter
Symbol
Unit
min
typ
max
Measurement Conditions / Comments
Cavity Length
L
μm
1000
Stripe width
Ws
μm
400
one emitter only
Spacing between Emitters
Wspacing
μm
200
Stripe Pitch
Wpitch
μm
600
center to center of the dual emitters
Dual Emitter Width
Wtotal
μm
1000
total width of the dual emitter
Divergence parallel (FWHM)
Θ⏐⏐
°
7
10
13
Divergence perpendicular (FWHM)
Θ⊥
°
25
30
35
Polarization
TE
E field perpendicular to plane B (see drawing on p. 3)
Spectral Mode (longitudinal)
Multi Mode
Pulse Mode Conditions
Parameter
Symbol
Unit
min
typ
max
Pulse Length
tp
ns
50
200
Pulse Repetition Rate
RR
s-1
1
3000
Duty Cycle
D
%
0.06
Package Dimensions
Parameter
Symbol
Unit
min
typ
max
Measurement Conditions / Comments
Height of Emission Plane
dEP
mm
2.4
reference plane A: top side of TO header
Excentricity of Emission Center
R
mm
0.2
reference B: center of outer diameter of header
Pin Length
l
mm
19.0
Package Pinout
Laser Anode (+)
Pin
Laser Cathode (-)
Case
Package Drawings
Typical Measurement Results
Spectrum
Performance figures, data and any illustrative material provided in this specification are typical and must be specifically confirmed in writing by eagleyard Photonics before they become applicable to any particular order or contract. In accordance with the eagleyard Photonics policy of continuous improvement specifications may change without notice.
商品属性 [波长] 905nm [功率] 50W