參數(shù)資料
型號: HL7851G
廠商: Hitachi,Ltd.
英文描述: GaAlAs Laser Diode
中文描述: 激光二極管的GaAIAs
文件頁數(shù): 2/4頁
文件大小: 21K
代理商: HL7851G
HL7851G
174
Absolute Maximum Ratings
(T
C
= 25°C)
Item
Symbol
Rated Value
Unit
Optical output power
P
O
P
O (pulse)
V
R (LD)
V
R (PD)
Topr
50
mW
Pulse optical output power
60
*
1
mW
LD reverse voltage
2
V
PD reverse voltage
30
V
Operating temperature
–10 to +60
°C
Storage temperature
Note:
1. Maximum 50% duty cycle, maximum 1 μs pulse width
Tstg
–40 to +85
°C
Optical and Electrical Characteristics
(T
C
= 25°C)
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
Optical output power
P
O
Ith
50
mW
Kink free
Threshold current
45
70
mA
Slope efficiency
η
0.35
0.55
0.7
mW/mA
40 mW/ I
(45 mW)
– I
(5 mW)
P
O
= 50 mW
P
O
= 50 mW
P
O
= 50 mW
P
O
= 50 mW, FWHM
P
O
= 50 mW, FWHM
P
O
= 5 mW, V
R (PD)
= 5 V
P
O
= 5 mW, NA = 0.4
Operating current
Iop
140
170
mA
LD Operating voltage
Vop
2.3
2.7
V
Lasing wavelength
λ
p
θ
//
θ⊥
775
785
795
nm
Beam divergence (parallel)
8
9.5
12
deg.
Beam divergence (perpendicular)
18
23
28
deg.
Monitor current
Is
25
150
μA
Astigmatism
A
S
5
μm
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