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Products / Light Analysis /Photodetectors /Photomultiplier Tubes (PMT)(160-900nm) /Photomultiplier Tube (Module)(160-900nm) /

Photomultiplier Tube (Module)(160-900nm)

Photon Counter Light Detector Selection Guide Related Products Order Now!

Photon counter, is a device used to detect and count photons (individual photons of light), typically used for high-sensitivity, low-intensity light detection tasks. The photoelectric effect is used to convert optical signals into electrical signals. When a photon hits the detector's photosensitive material, it is absorbed and excites an electron or a pair of electron-hole pairs. Through the collection and amplification of electrons, an electron pulse can be generated, which represents a photon arrival event. By measuring the electrical signal, the number of photons is counted. It is widely used in quantum communication, quantum computing, spectroscopy, lidar, medical imaging and other fields.

Feature

High counting sensitivity
High count linearity
Small measurement deviation

Application

Spectroscopy
Quantum communication
Quantum computing
Laser radar
Medical imaging

Specification

Parameter	LA-BY-PC-01	LA-BY-PC-02	LA-BY-PC-03	unit
Wavelength range	290-650			nm
Peak wavelength	420			nm
Input voltage	4.75-5.25	11.5-12.5 (4.75-5.25selectable)	4.75-5.25	V
Maximum input current	60	70	100	mA
Effective area	Ø25		Ø22	mm
Output pulse logic	TTL			/
Output pulse amplitude	Min:2 Typ:2.5		Typ:2.2 Max:2.5	V
Pulse pair resolution time	20		17	ns
Radiation counting sensitivity	4.5*10^5 @400nm			S^(-1)*pW^(-1)
Linear count rate (before correction)	6*10^6		1*10^7	S^(-1)
Linear counting rate (corrected)	20*10^6		4*10^7	S^(-1)
Dark count	Typ:80 Max:200		Typ:100 Max:200	S^(-1)
Consistency (relative deviation)	±10%			/
8H is unstable	Typ:0.6% Max:3%			/

Other Parameter

Parameter	LA-BY-PC-01	LA-BY-PC-02	LA-BY-PC-03	unit
Recommended load	50			Ω
weight	280	445	220	g
Operating temperature	5~40			℃
Working humidity	90%RH			/
Storage temperature	-20~50			℃
Storage humidity	93%RH			/

Characteristic Curve


Spectral response curve	Count rate correction curve


Counting rate curve with temperature	Dark count rate annual temperature curve

Working Principle

Photon counting detector is a module which integrates photomultiplier tube, high voltage power supply, voltage division circuit and photon counting circuit. After the current pulse output from the photomultiplier is amplified by the amplifier, the comparator identifies the pulse above a certain threshold, converts it into a standard pulse signal output by the pulse shaper, and then counts the pulse directly by the counter. The operating voltage of the photomultiplier in the photon counting detector has been set to the optimal state, so it can work as long as the low voltage is input from the outside.

Product Dimension


LA-BY02-PN-01	LA-BY02-PN-02

LA-BY02-PN-03

Light detector is a device used to sense optical signals and convert them into electrical signals. Its working principle is mainly based on the photoelectric effect, that is, when light shines on certain materials (such as photodiodes, photocells, photoresistors, etc.), these materials will release free electrons, resulting in a current or voltage. The gain can be controlled by either resistance regulation or voltage regulation. It plays an important role in many fields such as automation, communication, scientific research, monitoring, and medical treatment.

Feature

Wide wavelength coverage
Large effective area
High sensitivity

Application

Optical communication
Environmental detection
Automatic control system
Industrial quality contro

LA-BY-LD-01/02

LA-BY-LD-03/04/05/06

Specification

Parameter	LA-BY-LD-01	LA-BY-LD-02	LA-BY-LD-03	LA-BY-LD-04	LA-BY-LD-05	LA-BY-LD-06	unit
Spectral range	290-650		165-900	160-650	165-900	160-650	nm
Peak sensitivity	420		420	400	420	400	nm
Input voltage	11.75~12.25	11.75~12.25	11.25~12.5				V
		4.75~5.25
Max. control voltage	5.0	/	/		5		V
	(Input impedance 10KΩ)
Recommended control voltage	2~4.5	2~4.5	2~4.5(Input impedance 10KΩ)				V
	(Input impedance 10KΩ)	(Input impedance 10KΩ)
		0.5~1.1
		(Input impedance 1MΩ)
Max. linear output voltage	5	/	5		/		V
Max. average output current	/	100	/		100		uA
Max. input current	150		100				mA
Effective area	Ø22		8*24				mm
Cathode luminous sensitivity	90		250	60	250	60	uA/lm
Cathode radiant sensitivity	100		/	25	70	25	mA/W
Output luminous	/		1.2*10^8	4*10^7	1.2*10^7	4*10^6	V/lm
sensitivity
Output radiant sensitivity	/		/	12.5	3.5	1.7	V/nW
Anode radiant sensitivity	2*10^5		/		/		A/W
Frequency bandwidth (-3dB)	20	/	DC-500		/		KHz
Dark current	/	10			Typ：5		nA
					Max：20
Current-voltage conversion ratio	1	/	0.05		/		V/uA
Ripple noise	4				2		mV
Rise time	/	/	/	/	2.2		ns
Recovery time	/	/	/	/	0.2		s

Other Parameter

Parameter	LA-BY-LD-01	LA-BY-LD-02	LA-BY-LD-03	LA-BY-LD-04	LA-BY-LD-05	LA-BY-LD-06	Unit
Weight	220		225		220		g
Operating temperature	5~40						℃
Max. working humidity	90%RH						/
Storage temperature	-10~50		-20~50				℃
Max. storage humidity	93%RH						/

Characteristic Curve

Spectral Response Curve

Output radiation sensitivity curve LA-BY-LD-03/04/05/06

Gain voltage curve

Output current characteristic curve LA-BY-LD-02

Gain Control Method


Sensitivity adjustment method LA-BY-LD-01	Sensitivity adjustment method LA-BY-LD-02


Voltage regulation (reference output suspension) LA-BY-LD-03/04/05/06	Resistance regulation (control input monitoring) LA-BY-LD-03/04/05/06

Product Dimension


LA-BY-LD-01/02	LA-BY-LD-03/04/05/06

Selection Guide

Parameter	Photon Counter			Light Detector						unit
	LA-BY-PN-01	LA-BY-PN-02	LA-BY-PN-03	LA-BY-LD-01	LA-BY-LD-02	LA-BY-LD-03	LA-BY-LD-04	LA-BY-LD-05	LA-BY-LD-06

Wavelength Range	290-650			290-650		165-900	160-650	165-900	165-650	nm
Peak Wavelength	420			420		420	400	420	400	nm
Input Voltage	4.75~5.25	11.5~12.5 4.75~5.25	4.75~5.25	11.75~12.25	11.75~12.25 4.75~5.25	11.25~12.5				V

Max.Input current	60	70	100	150		100				mA
Effective Area	Ø25		Ø22	Ø22		8*24				mm

Photomultipliers Tube (PMT)

Model	Spectral Response Range	Peak Wavelength	QE Typ.	Effective Area(mm)	Cathode Luminous Sensitivity Typ.	Anode Sensitivity Typ.
Photomultipliers Tube Head-On (Tube Only)	290 - 650nm	380 - 500nm	12% -,28%	Φ10 - Φ58	40 - 100μA/lm	30 - 2000A/lm
Photomultipliers Tube Side On(Tube Only)	160 - 900nm	/	/	8×24	40 - 250μA/lm	400 - 2500A/lm
Photomultipliers Tube (Module)	160 - 900nm	400nm, 420nm	/	Φ22 - Φ25 \| 8×24	60 - 250μA/lm	/
Microchannel Plate - Photomultiplier (MCP-PMT)	115 - 650nm	250nm, 380nm	30%@410nm, 15%@250nm	/	70μA/lm	900A/lm
Scintillator Probe	/	/	/	Φ25×25 - Φ75×75	/	/
β Detector	/	/	/	Φ10, Φ25	/	/

Assemblies and Counting Unit


High Voltage Tube Socket	High Voltage Tube Socket for Side Window	Voltage Power Supply	Counting Unit

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	Availability	Reference Price (USD)
LA-BY-PC-01 wavelength range:290-650nm,peak wavelength:420nm,input voltage:4.75~5.25V,effective area:Ø25mm,Pulse pair resolution time:20ns,dark count:≤200s-1 Consistency:±10%	4-6week	Request for quote
LA-BY-PC-02 wavelength range:290-650nm,peak wavelength:420nm,input voltage:11.5~12.5/4.75~5.25V,effective area:Ø25mm,Pulse pair resolution time:20ns,dark count:≤200s-1 Consistency:±10%	4-6week	Request for quote
LA-BY-PC-03 wavelength range:290-650nm,peak wavelength:420nm,input voltage:4.75~5.25V,effective area:Ø22mm,Pulse pair resolution time:17ns,dark count:≤200s-1 Consistency:±10%	4-6week	Request for quote
LA-BY-LD-01 Spectral range:290-650nm,peak sensitivity:420nm,Input voltage:11.75~12.25V,Effective area:Ø22mm,Cathode luminous sensitivity:90uA/lm,Cathode radiant sensitivity:100mA/W,Anode radiant sensitivity:2*10^5A/W	4-6week	Request for quote
LA-BY-LD-02 Spectral range:290-650nm,peak sensitivity:420nm,Input voltage:11.25~12.25/(4.75-5.25)V,Effective area:Ø22mm,Cathode luminous sensitivity:90uA/lm,Cathode radiant sensitivity:100mA/W,Anode radiant sensitivity:2*10^5A/W,Dark current:10nA	4-6week	Request for quote
LA-BY-LD-03 Spectral range:165-900nm,peak sensitivity:420nm,Input voltage:11.25~12.25V,Effective area:824mm,Cathode luminous sensitivity:250uA/lm,Output luminous sensitivity:1.210^8V/lm	4-6week	Request for quote
LA-BY-LD-04 Spectral range:160-650nm,peak sensitivity:400nm,Input voltage:11.25~12.25V,Effective area:8*24mm,Cathode luminous sensitivity:60uA/lm,Cathode radiant sensitivity:25mA/W,Output radiant sensitivity:12.5V/nW	4-6week	Request for quote
LA-BY-LD-05 Spectral range:165-900nm,peak sensitivity:420nm,Input voltage:11.25~12.25V,Effective area:8*24mm,Cathode luminous sensitivity:250uA/lm,Cathode radiant sensitivity:70mA/W,Output luminous sensitivity:3.5V/nW	4-6week	Request for quote
LA-BY-LD-06 Spectral range:165-650nm,peak sensitivity:400nm,Input voltage:11.25~12.25V,Effective area:8*24mm,Cathode luminous sensitivity:60uA/lm,Cathode radiant sensitivity:25mA/W,Output luminous sensitivity:1.7V/nW	4-6week	Request for quote