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Time-Resolved Image Intensifier | SIMTRUM Photonics Store

Products / Imaging /Scientific CMOS Cameras /Imaging Intensifier Tube /Time-Resolved Image Intensifier /
Time-Resolved Image Intensifier
Overview Specification Photocathodes & Phosphor Related Products Order Now!

Time-Resolved Imgae Intensifier


The TRiCATT is a compact lens-coupled image intensifier for scientific and industrial applications that require 1) low-light level imaging, 2) ultra-short exposures through fast gating, and/or 3) frequency-domain imaging using lock-in detection. The TRiCATT features an 18 or 25 mm image intensifier with a highly efficient relay lens that can be matched to any CCD or CMOS camera, resulting in a flexible solution that can easily be integrated in an existing imaging system.


The TRiCATT (Time Resolved intensified Camera Attachment) is the best choice for ultra-fast imaging in the time domain and/or frequency domain.


With a wide range of Gen II and Gen III image intensifiers, the TRiCATT offers high sensitivity down to single photon level and the optimal spectral bandwidth for your application. Different models covering a range in spectral sensitivity, phosphor, spatial resolution, gain, linearity, minimum gate width and gating frequency are available.







For time-domain imaging the intensifier is equipped with a fast gate unit (TRiCATT G40n/G2n) that enables the intensifier to operate as an electro-optical shutter. The gate unit can be operated up to repetition rates of up to 2.5 MHz in burst.


A series of different intensifier control units provide functionality ranging from analog gain control to full digital control including an internal trigger generator and programmable gate trains.


For frequency-domain imaging the TRiCATT M supports gain modulation of 120 MHz (standard) and higher (external signal generator). Modulation is provided by a single-chip digital synthesizer to ensure an extremely low phase noise. 


Features

●  High resolution image intensifiers

    Gen II and Gen III image intensifiers offering the world’s highest resolution and sensitivity 

    in the UV, visible or near infrared

●  Small gate widths

    Gate width down to less than 3 ns (FWHM) with minimal jitter

●  High gate repetition rates up to 300 kHz/2.5 MHz burst

●  Compact design for an easy fit to your imaging or spectroscopy setup

●  Overexposure protection User-definable current limitation and optional shutter

●  Easy coupling 

    Flexible and efficient lens coupling to any CCD and CMOS camera (up to 500 fps)

Applications

●  Time-resolved imaging and spectroscopy

●  Particle Image Velocimetry (PIV)

●  Laser Induced Fluorescence (LIF)

●  Time-gated luminescence

●  Fluorescence Lifetime-Imaging Microscopy (FLIM)

●  Förster Resonance Energy Transfer (FRET)

●  Oxygen imaging

●  Viscosity imaging

●  Single-molecule imaging

●  Bio- and Chemiluminescence Imaging

●  Solar PV and LED characterization

●  Combustion

●  Time-gated Raman

●  Plasma physics

●  X-ray Imaging



When the TRiCATT is mounted to a lens or microscope, the incoming light (a) is focused onto the entrance window of the image intensifier (b). The image intensifier converts the optical image to electrons at the photocathode, amplifies this electron image at the micro-channel plate (MCP), and re-converts the electrons into photons at the anode screen. At the output of the intensifier, a relay objective is mounted with a magnification that matches the intensifier to the high-speed camera sensor.


For time-resolved imaging, a gate unit (e) is used together with the image intensifier to yield an electro-optical shutter. The gate unit either generates a high voltage pulse signal or follows an external TTL pulse. The pulse width is variable and follows a TTL input pulse over the range from less than 3 ns to DC at a repetition rate up to 300 kHz.


Configurations






Spectral Response and Phosphor Decay Time


Phosphor Efficiency 
Decay time to 10% 
Decay time to 1%
P43 (standard) 
20 photons/e-/kV 
1.5 ms 
3 ms
P46 (optional) 
6 photons/e-/kV
500 ns
2000 ns



Model Guide

TRiCATT_25.jpg

TRiCATT 25

Single-stage intensifier attachment

25 mm image intensifier Gated or modulated

F-mount and C-mount

TRiCATT_18.jpg

TRiCATT 18

Single-stage intensifier attachment

18 mm image intensifier Gated or modulated

F-mount and C-mount

TRiCATT_C.jpg

TRiCATT 18C

Compact single-stage intensifier attachment

18 mm image intensifier Gated or modulated

C-mount


Product specifications and Brochures

Product Brochure Link: 


Image Intensifier Specification

TRiCATT 18TRiCATT 25

Image intensifier  

Proximity-focused Gen II or Gen III (filmless)

Input window

S20: Quartz. S25, GaAs, GaAsP: Borosilicate glass

Input diameter 18mm 
25 mm
Input window thickness  5.5 mm
6.0 mm
Effective area  Gen II: ø 17.5 mm, Gen III: 13.5x10 mm
Gen II: ø 24.5 mm, Gen III: 16x16 mm
Sensitivity and spectral range TRiCATT G: see graph on p. 5 (top-left)

Min. gate width (FWHM) 

TRiCATT G 40n: 40 ns

TRiCATT G 2n: < 3 ns with Gen II, 5 ns with Gen III


Max. repetition frequency TRiCATT G 40n: 100 kHz

TRiCATT G 2n: 300 kHz, 2.5 MHz in burst mode



Photocathode  

S20
S25  
GaAs
GaAsP 
S20 
S25 
GaAs 
GaAsP
Luminous gain (max)* [lm/m2/lx]
14800 30000  
40000
22000 


33000 
22000
Equivalent Background Input 

0.006

e/px/s

0.008

e/px/s

2x10-11

lm/cm2

3x10-12
lm/cm2

2*10-11

lm/cm2

3*10-23

lm/cm2
Typical output resolution (lp/mm)



1:1 lens coupling
606357
57
2:1 lens coupling
120126114114
3:1 lens coupling
180189171171

Lens coupling/output flange

1:1 C-mount

2:1 C-mount

1:1; 2:1; 3:1 F-mount on reques

1:1 F-Mount

2:1 F-mount

3:1 F-mount

Phosphor P43 (P20, P46 on request)
Spatial resolution bare intensifier Gen II: up to 69 lp/mm, Gen III: up to 64 lp/mm
* gain and EBI are specified for image intensifiers with P43 phosphor screen

Gating


The TRiCATT G can be used as an ultra-fast electro-optical shutter by gating the image intensifier. This eliminates motion blur and reduces the effective exposure time, thereby significantly widening the camera dynamic range. To prevent loss of intrascene dynamic range when using a shorter gate the user can set a higher MCP gain. The pulse width and frequency are user defined: any pulse width from DC down to a few nanoseconds can be applied.


The table below summarizes the range of different intensifier control units available with the TRiCATT G. The gain-control models act as a power supply for the image intensifier, gate pulse trains are supplied externally. The gate-control model has its own pulse generator, giving the user direct control of the gate width and gate delay. The gate-generator models have an enhanced version of the pulse generator with lower jitter. These models allow the image intensifier to be synchronized to the exposure time of the camera by supplying a trigger signal. All models allow the gate frequency to be set by an external TTL signal.




Microsoft Windows control software is provided with all control-unit models, except the manual model. The software provides full user control of the pulse width and delay, gating mode, and intensifier gain. The control unit is connected to the computer via USB (RS-232 is optional). For integration in third party software a full command set is available.


The enhanced pulse generator of the gate-generator models has 4 independent programmable pulse outputs (one of which is used for gating) that provide precise timed TTL pulses with pulse widths down to less than 3 ns (FWHM).


Control Units and Gating Properties
Control Unit Model 
No Control Unit 

Intensifier Gain 

Control

Intensifier Gate

Control

Intensifier Gate

Generato

Gain control 

Manual
√
√ 
 √ 
Gate control   External TTL
External TTL
√ 
√
Anode current limiter ╳√√√
Internal trigger generator ╳╳√√
Programmable gate pattern ╳╳3 presets
Optional
Shutter control  ╳Optional
Optional 
√
Additional TTL outputs ╳╳23





Gating properties



Width range 

10 ns – 10 s
< 3 ns – 10 s

Resulting min pulse width (increments) 


10 ns (10 ns) 
< 3 ns (10 ps

Pulse repetition rate 



< 10 MHz 
< 16 MHz
Delay jitter (width)

< 250 ps RMS 
< 35 ps (< 35 ps)

Insertion delay  



20 ns
20 ns
Trigger input  

√

Programmable trigger level, 

divider and bursts

 (m out of n triggers)


Modulation control unit


The TRiCATT M provides highly accurate frequency-domain imaging with high-resolution gain modulated Gen II and Gen IIIimage intensifiers.


The TRiCATT M combines the image intensifier with a separate modulation control unit. The modulation control unit contains a single-chip dual channel DDS for generation and amplification of two RF modulation signals, one for the modulated lightsource or acousto-optic modulator (AOM) and one for the image intensifier (100 kHz – 120 MHz standard). The control unit further supplies the high-voltage for the image intensifier. A software SDK is provided for digital control of the gain, modulation and cathode bias voltages via an USB interface, emulating a standard RS-232 serial communications port.


Modulation frequencies below 100 kHz are supported by the optional gate unit and pulse generator. This also produces the synchronization signal for an external modulated light source or AOM.


Modulation Specification

TRiCATT  M


Frequency range 

100 kHz–120 MHz (standard)

Up to at least 250 MHz with an external signal generator

Frequency adjustment resolution 1 kHz

Frequency deviation 

100 ppm max.
Phase adjustment range 
0–360° in 1° steps, phase deviation < 0.01°

Harmonics suppression 

Better than 25 dB

High light level protection 

Integrated intensifier protection, switches off all DC and AC power


Output 1. TRiCATT


AC signal level 

Adjustable from –30 to 0 dBm

AC signal after amplification 

50 Vpp max.


Output 2. Lightsource


Programmable options:


a) Multi-LED


AC signal level 

Adjustable in 250 steps

DC current adjust 

0–1000 mA, 12 bit

b) Modulated laser diode


AC signal level 

0.00–1.00 V peak-peak

DC level adjust 

0.00–1.00 V

c) AOM for CW laser


AC signal level 

0.00–1.00 V peak-peak

Frequency 

Half the frequency of output 2


Modulation input 

Input for external modulation signal, 250mV (peak-peak), 50Ω
External trigger input LVTTL (high frequency mode only), 50Ω

Trigger input 

Available upon request

Monitor output 

Output modulation signal monitor
Interface USB 2.0


TRiCATT GM, as TRiCATT M plus:

Frequency range 

0–100 kHz

Min. gate width (FWHM) 

40 ns

Gate pulse width control 

40 ns – 10 s, 10 ps resolution

Gate delay time control 

0–10 s, 10 ps resolution

Dead time after trailing edge 

100 ns

Pulse generator resolution ; jitter 

10 ps ; < 35 ps

Insertion delay 

45 ns

Trigger input 

3.5 V – 5.0 V 50 Ω
Output A/B pulse width controlFully programmable, 50 Ω source impedance
Output A/B delay control Fully programmable, 50 Ω source impedance
InterfaceUSB 2.0

Mechanical Shutter


The TRiCATT can be supplied with an optional mechanical shutter for preventing damage to the image intensifier by high intensity stray light or direct laser light. It is further recommended to close the shutter between measurements to increase the lifespan of the image intensifier.


The shutter is encased in an aluminum housing with a standard F-mount input that replaces the original F-mount adapter of the TRiCATT. The back focal distance of the F-mount input is unchanged, so any F-mount objective can be used. The shutter comes with a power supply and a remote control. A timer can be used to automatically close the shutter after a predetermined time. The remote control has an ergonomic design and a large LCD screen.


The shutter can also be controlled by the Windows software of the TRiCATT or by an external TTL signal.






Shutter Specification
Shutter UNIBLITZ VS35
Repetition Rate 
DC to 5 Hz (20 Hz burst of maximal 4 s, with 1 minute between bursts)
Transfer time on opening/closing 
13 ms
Minimal open time 
20 ms
Lens mount 
F-mount

Shutter control via 

- Hand-held remote control with push-button and timer

- External TTL signal

Delay-timer specification
1 s to 99 hrs in 1 s increments
TTL input 
0–5 V, minimal pulse width of 20 ms



Photocathodes

The photocathode is the entrance of the image intensifier. This is where the incoming photons are converted to electrons. The quantum efficiency of the photocathode material specifies how efficient this conversion is for each wavelength.




Second generation image intensifiers

The photocathode of a second generation image intensifier can have a quantum efficiency of up to 25%.


S25 photocathodes are only available in the 18 mm diameter image intensifiers.


Typical QE

Typical QE.jpg


Typical quantum efficiency (%) of second generation image intensifiers as a function of wavelength (nm).






Second generation high QE image 

intensifiers


The photocathode of a second generation high QE image intensifier can have a quantum efficiency of over 30%.


Please note that these image intensifiers are only available with a diameter of 18 mm.

Typical QE, 200 ns gate width

Typical QE_200 ns gate width.jpg

Typical quantum efficiency (%) of second generation high QE image intensifiers as a function of wavelength (nm).






Second generation fast-gated high QE image intensifiers


The photocathode of a second generation high QE image intensifier can have a quantum efficiency of over 25%.


Please note that these image intensifiers are only available with a diameter of 18 mm.

Typical QE, 3 ns gate width

Typical QE_3 ns gate width.jpg

Typical quantum efficiency (%) of second generation high QE image intensifiers as a function of wavelength (nm).





Third generation image intensifiers


The photocathode of a third generation image intensifier can have a quantum efficiency of up to 50%.

Typical QE

Third gen_Typical QE.jpg

Typical quantum efficiency (%) of third generation image intensifiers as a function of wavelength (nm).





Phosphors

PDT.jpg


Phosphor Decay Time


The anode screen of the image intensifier contains a layer of phosphorescent material. Upon impact of an electron, the phosphor screen will emit light. Depending on the type of phosphor, the intensity of the emitted light will decrease faster. The more efficient the phosphor, the slower its light intensity decays after excitation.


Our time-resolved cameras and camera attachments use P43 phosphor. The high luminous efficiency of this phosphor increases the light levels at the output of the image intensifier. This increases the quality of the resulting image.


Our high-speed cameras and camera attachments use P46 phosphor. This phosphor has a short decay time, so the light signal of consecutive frames doesn't get mixed up.


P47 phosphor is available on request, when even faster decay times are required.


PHOSPHOR

EMISSION

EFFICIENCY (E/KV)

DECAY TO 10%

DECAY TO 1%

P43
545 nm
20
1.5 ms
3 ms
P46
530 nm
6
500 ns
2000 ns
P47
400 nm
4
100 ns
400 ns




Time-Resolved iCMOSHigh-speed Gated iCMOS CameraHigh-speed Fluorescence iCMOS Camera
540M/S1000M/SFLUO (1000 FPS)FLUO (2000 FPS)

TRiCAM_Specifications 1.jpeg

Framerate 162 fps540 fps1000 fps1000 fps - 7500 fps2000 fps - 6400 fps
Sensor Resolution1920 x 1200 pixels1696 x 1710 pixels1280 x 1024 pixels1280 x 1024 pixels1920 x 1080 pixels*
Pixel size5.86 x 5.86  µm 8 x 8 µm6.6   x 6.6 µm6.6 x 6.6 µm10 x 10 µm
Photon gain (max.)50000 lm/m^2/lx 11000 lm/m^2/lx11000 lm/m^2/lx36000 lm/m^2/lx36000 lm/m^2/lx
Gating repetition rate100 or 300Khz100khz100khz100khz100khz
Intensifier18mm intensifier Dual-stage   intensifierDual-stage intensifierSingle-stage intensifier  Single-stage intensifier
Bit Depth10 bit and 12 bit8 bit8 and 12 bit8 and 12 bit8 bit
Minimum exposure time40 ns (3 ns optional)40 ns (3 ns optional)40 ns (3 ns optional)40 ns (3 ns optional)40 ns (3 ns optional)



Time-Resolved Image IntensifierHigh-speed Image Intensifier
Model 18Model 25Model 18Model 25

Input diameter18mm25mm18mm25mm
Effective areaGen II: ø 17.5 mm, Gen III: 13.5x10 mmGen II: ø 24.5 mm, Gen III: 16x16 mmGen II: ø 17.5 mm, Gen III:   13.5x10 mmGen II: ø 24.5 mm, Gen III: 16x16 mm
Max. Repetition 100 kHz, 300 kHz or 1 MHz100 kHz, 300 kHz or 1 MHz100khz Or 300khz ,  2.5 MHz  burst mode100khz Or 300khz,  2.5 MHz burst mode
Min. gate width< 3ns - 40ns (FWHM)< 3ns - 40ns (FWHM)< 3ns - 40ns (FWHM)< 3ns - 40ns (FWHM)
Frame RateUp to 500 fpsUp to 500 fpsup to 1,000,000 fpsup to 1,000,000 fps
Photon Gain

S20 : 14800, S25:30000
GaAs: 40000, GaAsp: 20000

S20 : 14800, S25:30000
GaAs: 40000, GaAsp: 20000		S20 : 40000, S25:30000
GaAs: 30000, GaAsp: 50000		S20 : 40000, S25:30000
GaAs: 30000, GaAsp: 50000


Microscop Cameras

Camera CategoryResolutionPixel SizeFPSWavelengthNote
Microscope  TE-Cooling USB3.0 CCD Camera1.5MP to 12MP6.45um to 3.1um~30FPS380nm - 650nmIR Cut filter
Microscope  USB3.0 CCD Camera1.5MP to 12MP6.45um to 3.1um~30FPS380nm - 650nmIR Cut filter
Large Format TC-Cooling USB3.0 CMOS Camera24MP and 61MP5.94um and 3.76umup to 190FPS380nm -650nmUV extended available
TE-Cooling USB3.0 CMOS Camera10MP to 45MP4.63um to 2.31umup to 96FPS380nm - 650nmIR Cut filter
TE-Cooling USB3.0 CMOS Camera with  External Trigger0.5MP / 0.5MP6.9um / 9um20FPS380nm - 650nm
External Trigger
Microscope USB3.0 CMOS Camera0.5MP to 45MP
6.9um to 1.55umupto 520FPS380nm - 650nmIR Cut filter
Microscope USB3.0 CMOS Camera UV Enhanced1.3MP to 10MP9.7um to 4.6umupto 86FPS200nm -1100nm
Microscope USB3.0 CMOS Camera wish ISP1.5MP to 45MP
3.4um to 1.2umupto 165FPS380nm - 650nmIR Cut filter / ISP
Eyepiece USB3.0 CMOS Camera5MP2um30FPS380nm - 650nmIR Cut filter
HDMI Color CMOS Camera2MP to 8MP
60FPS380 - 1100nm

UV & NIR Enhanced CMOS Camera4.2/8MP,  2.1/4.1MP

upto 200FPS200-1100nmUV or NIR Enhance


Scientific Cameras

TypeModelWavelengthSensor   TypeResolutionPixel sizeFrame RateQE
X-RAY sCMOS Camera XF9580-1000eVBSI sCMOS2048 x 204822.5um or 13.3um 48~100% full range
XUV/VUV CameramaxCam1-300nm BSI/FSI CCD 1024 x 25526um
Refer to brochures
High Speed sCMOS CameraDhyana 2100200-1100nmFSI CMOS / Mono5220(H) x 4096(V)4.5um x 4.5um450fps@8bit63%@520nm
Dhyana 9KTDI200-1100nmBSI sCMOS TDI/Mono90725um x 5um510kHZ@8bit82%@550nm,
Cooled High Sensitivity sCMOS Camera95V2200-1100nmBSI sCMOS/Mono2048(H) x 2048(V)11μm x 11μm48fps@12bit STD95%@560nm
400BSI V2200-1100nmBSI sCMOS2048(H) x 2048(V)6.5μm x 6.5μm74fps@CL, 40fps@USB3.095%@600nm
400BSI V3200-1100nmBSI sCMOS2048(H) x 2048(V)6.5μm x 6.5μm100fps@CL, 40fps@USB3.095%@600nm
400D200-1100nmFSI   sCMOS/Mono2048(H) x 2040(V)6.5μm x 6.5μm35fps@16bit72%@595nm
400DC200-1100nmFSI   sCMOS/Color2048(H) x 2044(V)6.5μm x 6.5μm22fps@8bit, 16fps@16bit
Large Sensor sCMOS cameras6060BSI200-1100nmBSI sCMOS/Mono6144(H) x 6144(V)10μm x 10μm26.4fps@12-bit STD95%@580nm
4040BSI200-1100nm4096(H) x   4096(V)9μm x 9μm16.5fps@CL, 9.7fps@USB3.090%@550nm
6060FSI200-1100nmFSI sCMOS/Mono6144(H) x   6144(V)10μm x 10μm44fps@12-bit STD72%@550nm
4040FSI200-1100nm4096(H) x   4096(V)9μm x 9μm16.5fps@CL, 9.7fps@USB3.074%@600nm
Compact Industry sCMOS Camera401D  200-1100nmFSI sCMOS/Mono2048(H) x 2048(V)6.5μm x 6.5μm40fps@16bit, 45fps@8bit72%@595nm
401A-G200-1100nm2048(H) x 2048(V)11μm x 11μm
58%@600nm
401A-U200-1100nm2048(H) x 2048(V)11μm x 11μm
58%@600nm
201D200-1100nm2048(H) x 1152(V)6.5μm x 6.5μm70fps@16bit, 80fps@8bit72%@595nm


Short-wave, Mid-wave, Long-wave Infrared Cameras

ProductSpectral RangeRsolutionCoolingFeature
SWIR Camera400-1700nm1.3MP, 0.3MPuncooled 
MIR CameraMid Infrared Detector3.7um to 4.8um0.08MP, 0.3MP,1.5MPCooled
Mid Infrared Camera3.7um to 4.8um0.08MP, 0.3MP,1.5MPCooled
Duel Band Detector3.7 to 4.8um|7.7 to 9.5um320*256px Cooled
LWIR CameraCooled LWIR Detector7.7um to 9.4um0.08MP, 0.3MPCooled
Cooled LWIR Camera7.7um to 9.4um0.3MPCooled
LWIR Thermography Camera 8 to 14um0.08MP, 0.3MP,1.5MPUncooledBroad Temperature Range
Thermography Camera for Skin Screening8 to 14um320*256px UncooledBody Temperature
Thermal Imaging Cameras for Phone8 to 14um256*192pxUncooledFor Smart Phone
Compact Thermal Imaging Camera8 to 14um0.08MP, 0.3MPUncooledFor CCTV , Drone



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TRiCATT-25
Time-resolved Image Intensifier, 25mm image intensifier, gated or modulated, F-mount and C-mount 		4-6 Weeks Request for quote
TRiCATT-18
Time-resolved Image Intensifier, 18mm image intensifier, gated or modulated, F-mount and C-mount 		4-6 Weeks Request for quote
TRiCATT-18C
Time-resolved Image Intensifier, 18mm image intensifier, gated or modulated, C-mount 		4-6 Weeks Request for quote

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