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HSA-X-S FAST PHOTORECEIVER SERIES HSPR-X AND

Updated:2022-12-08

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  • Brand: FEMTO
  • Model: HSPR-X
  • Description: By combining the advanced photodiode with the proven excellent FEMTO GHz amplifier technology, a new optical receiver series with excellent performance has been designed. HSPR-X and HSA-XS provide a b
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Product Details

HSA-X-S FAST PHOTORECEIVER SERIES HSPR-X AND-FEATURES

  1. Si-PIN and InGaAs-PIN photodiodes

  2. Wavelength range from 320 to 1700 nm

  3. Ultra-wide bandwidth from 10 kHz up to 2 GHz

  4. Max. conversion gain 4.75 x 103 V/W

  5. Min. NEP 11 pW/√Hz

GHZ TECHNOLOGY

By combining state of the art photodiodes with the proven and outstanding FEMTO GHz amplifier technology we designed a new family of photoreceivers with a remarkable performance. The HSPR-X and HSA-X-S offer an upper bandwidth limit of 2 GHz. Two models with either a fast Si-PIN or InGaAs-PIN photodiode cover a spectral range from 320 to 1000 nm and 900 to 1700 nm, respectively. Due to the sophisticated amplifier design the minimum NEP is just 11 pW/√Hz at a transimpedance of 5 x 103 V/A. This allows for the measurement of optical power levels in the µW range with GHz speed.

COMPATIBLE WITH OPTICAL BENCH (FREE SPACE) AND FIBER OPTICS

The free space input is designed as a 1.035"-40 threaded flange with a screw-on coupler ring (FST) or as a 25 mm round flange without thread (FS). Both types open up broad compatibility with optical accessories from various manufacturers, such as lenses, tubes, cage systems, optical adapters etc.

The FST free-space input can be converted into fiber connections (FC, FSMA) easily by simply screwing on the fiber adapter of the PRA series.

The relatively large-area detector facilitates optical focusing in free-space applications and ensures a high and stable degree of coupling when using the optionally available fiber optic adapter. For models with detector areas smaller than Ø 0.4 mm, the use of fiber adapters is only recommended to a limited extent, since coupling losses and instabilities can occur. If the focus is on high-precision fiber optic measurements, using FC-models with fixed optical fiber input will usually give the best results.

Pic. 1: FST input flange with 1.035"-40 external thread and coupler ring with internal thread;Pic. 2: FS input with 25 mm round flange;Pic. 3: FC input with permanent/fixed PC/APC coupling

All HSA-X-S and HSPR-X photo receivers are equipped with UNC 8-32 and M4 threaded holes and can therefore be conveniently and stably integrated into optical systems on standard rod holders.

APPLICATIONS
  • Spectroscopy
  • Fast pulse and transient measurements
  • Optical triggering
  • Optical front-end (O/E converter) for oscilloscopes and A/D converters
Models

HSA-XS-1G4-SI-FST

HSA-XS-1G4-SI-FS

HSA-XS-1G4-SI-FC

HSPR-XI-1G4-SI-FST

HSPR-XI-1G4-SI-FS

HSPR-XI-1G4-SI-FC

HSA-XS-2G-IN-FST

HSA-XS-2G-IN-FS

HSA-XS-2G-IN-FC

HSPR-XI-2G-IN-FST

HSPR-XI-2G-IN-FS

HSPR-XI-2G-IN-FC

Output
non-inverting inverting non-inverting inverting
Photodiode
Ø 0.4 mm Si-PIN Ø 0.4 mm Si-PIN Ø 0.1 mm InGaAs-PIN Ø 0.1 mm InGaAs-PIN
Spectral Range 320 – 1000 nm 320 – 1000 nm 900 – 1700 nm 900 – 1700 nm
Bandwidth (−3 dB) 10 kHz – 1.4 GHz 10 kHz – 1.4 GHz 10 kHz – 2 GHz 10 kHz – 2 GHz
Rise/Fall Time (10 % - 90 %) 250 ps 250 ps 180 ps 180 ps
Transimpedance Gain 5 x 103 V/A 5 x 103 V/A,inverting
5 x 103 V/A
5 x 103 V/A,inverting
Conversion Gain 2.55 x 103 V/W(@ 760 nm) 2.55 x 103 V/W(@ 760 nm)
4.75 x 103 V/W(@ 1550 nm) 4.75 x 103 V/W(@ 1550 nm)
NEP (@ 100 MHz) 32 pW/√Hz(@ 760 nm)
19 pW/√Hz(@ 760 nm)
16 pW/√Hz (@ 1550 nm)
11 pW/√Hz (@ 1550 nm)
Output VSWR 2.5:1
1.4:1
2.5:1
1.4:1
Maximum Output Voltage @ 50 Ω 1.9 V
2.0 V
1.9 V
2.0 V
Output Noise 3.6 mVRMS
2.5 mVRMS
3.6 mVRMS
2.5 mVRMS
Datasheet 869KB 872KB 693KB 693KB

Output short-circuit protected. Threaded M4 and 8-32 mounting holes for use with standard mounting posts. Power supply +15 V via 3-pin Lemo® socket. A mating connector is provided with the device. Optional power supply PS-15 available. For further information please view the datasheet or contact FEMTO.

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