CartCompare model documentation against your target, operating conditions and integration requirements. Start with a product platform or the technical question you need to resolve.
A ≥300 µJ, 1535 nm eye-safe ranging engine in a 65 × 46 × 86 mm, ≤175 g envelope, specified for 15 m to 8 km operation under stated conditions.
A ≥200 µJ compact 1535 nm module in a 48 × 30.5 × 21 mm envelope, specified for 15 m to 4 km ranging with a source-listed mass of approximately 32 g.
A ≥20 mJ integrated 1064 nm rangefinder and designator within a ≤92 × 67 × 53 mm, ≤290 g envelope for UAV, turret and EO-system integration.
An LD-pumped Er:Yb glass source delivering ≥100 µJ, 3.5 ns pulses at 1–10 Hz in a 14.5 × 6.3 × 4.37 mm, 2.5 g package for compact ranging transmitters.
Product selection begins with target reflectivity, specified range, accuracy, repetition rate, beam divergence, dimensions, power, communication and environment—not with a model name alone.
Pulsed erbium-glass and DPSS transmitters evaluated by pulse energy, beam quality, package, drive and thermal path.
Open platform →Compact OEM modules for UAV gimbals, handheld optics, EO/IR payloads and long-range observation systems.
Open platform →Short- and mid-range modules for industrial sensing, robotics, monitoring, night vision and portable instruments.
Open platform →System-level modules coordinated around energy, divergence, pointing, timing, thermal design and platform interface.
Open platform →ERDI provides current quality-system and product-compliance documentation during technical and commercial review. Applicability depends on the named legal entity, certificate scope, product, destination market and validity date.
Follow the same decision chain used in a serious OEM program: understand the physics, define the requirement, design and integrate the system, verify it, then manage the application lifecycle.
Time of flight, wavelength, pulse energy, beam divergence, receiver aperture, detector response and signal-to-noise.
Study this stage →02Transmitter, receiver, timing, signal processing, optics, firmware, power, thermal design and SWaP trade-offs.
Study this stage →03Turn target, range, probability, accuracy, rate, interface, size, weight, power and environment into a model shortlist.
Study this stage →04Mechanical datums, optical windows, boresight, grounding, serial communication, timing, thermal paths and host software.
Study this stage →05Configuration control, incoming inspection, assembly, alignment, calibration, acceptance evidence and environmental tailoring.
Study this stage →06UAV and EO/IR payloads, industrial sensing, robotics, monitoring, mapping, maintenance and field feedback.
Study this stage →
LRF0612C is a 1535 nm module with ≥200 µJ energy, ≤0.3 mrad divergence and 1–10 Hz ranging. It specifies ≥6 km to a 2.3 × 2.3 m target at 30% reflectance and visibility ≥8 km, with separate smaller-target limits.
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LRF1831C is a 1535 ±5 nm rangefinder with ≥350 µJ module energy, a 60 mm receiver and three-target reporting. Its ≥6.5 km result concerns a 5 × 15 m target; a separate ≥12 km result uses a 20 × 20 m diffuse target.
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SPD1200N3 combines a 905 nm ranging laser and single-photon receiver with a laser-indication function. The N3 manual specifies 3–1000 m on a building target under visibility of at least 10 km and humidity no greater than 60%, rather than a range inferred from its name.
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SPD1200ZG combines 905 nm SPAD-based pulsed ranging with configurable six-axis inertial reporting and relative 3D point-to-point measurement. Its specified 0.1–1200 m range applies to a building target under visibility of at least 10 km and humidity no greater than 60%.
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LDR40K1 is a pulsed optical module whose controlled document lists average pulse energy ≥40 mJ, RS-422 communication and mass ≤460 g. Its wavelength and several ranging entries remain withheld in the reviewed page while source-version discrepancies are resolved.
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LDR80K2 is a 1064 ±1 nm pulsed ranging module with a 1–20 Hz ranging entry and a 15 ns ±5 ns optical pulse. The current public table withholds output energy because its source unit is incomplete and conflicting entries remain unresolved.
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ER800 is a 1535 nm pulsed erbium-glass source with a minimum energy entry of 800 µJ and a 7 ns optical pulse width. Its 1–10 Hz specification and 18 g package distinguish it within the sub-millijoule source group.
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ER8000 is a 1535 nm erbium-glass pulsed laser specified at ≥8 mJ, with a 13 ns optical pulse and a 1–5 Hz repetition-rate entry. Its 220 g mass places it in the larger enclosure group of this source family.
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LRF0305CUAV GIMBAL / EYE-SAFE RANGINGIntegrate a 1535 nm laser rangefinder into a UAV gimbal: review optical alignment, power, UART timing, thermal paths, calibration and qualification.
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LRF0405CCOMPACT OEM / SYSTEM INTEGRATIONLearn the optical, mechanical, thermal, electrical and validation trade-offs behind compact 1535 nm laser rangefinder modules for OEM systems.
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LDR20K1RANGING / TARGET DESIGNATIONReview verified LDR20K1 specifications for 1064 nm ranging and 20 mJ target designation, including range, accuracy, beam, SWaP and RS-422 integration.
Read technical noteERDI coordinates the transmitter, receiver, timing, power, mechanics and protocol as one integration problem. Recommendations are tied to stated test conditions and model-level documentation.
How ERDI worksTarget, range, accuracy, environment and host limits.
Wavelength, optical architecture, SWaP and timing.
Mechanics, power, protocol, trigger and thermal path.
Assembly and performance against agreed conditions.
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